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HOS-BAKI28-02 · Lesson 8 · 12 clock hours · lab

Specialty Breads: Flatbreads, Focaccia, and Pretzel Dough

Objective. Students will produce three distinct specialty bread products—focaccia, soft pretzels, and a hand-rolled flatbread—each meeting specific texture, color, and flavor standards on a tasting rubric.

⚠ Pending professional review

This lesson, its worked examples and its practice questions has not yet been verified by a certified food-safety manager and industry professional or by a certification or approval body. It is a study draft and may contain errors. Do not use it as instructions for work on a job site or on live equipment. Always follow your instructor, your supervising professional, and current official references and regulations.

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Specialty Breads: Flatbreads, Focaccia, and Pretzel Dough

Three bread families — focaccia, soft pretzels, and flatbreads — share a common starting point (yeast-leavened dough) yet arrive at dramatically different textures through technique, hydration, and surface chemistry. Mastering all three in one lab sharpens your judgment about dough handling, heat management, and safety.

Focaccia: High-Hydration Dough and the Art of the Dimple

Focaccia is an olive-oil-enriched Italian flatbread baked in a pan. Its signature is an open, almost custardy crumb beneath a crisp, golden bottom — achieved through a dough hydration of 75–80%. At that hydration, the dough is too slack to shape on a bench; instead, you develop gluten through a series of coil folds performed right in the oiled pan over the first hour or two of fermentation. Each fold gently stretches and stacks the dough without degassing it.

The dimpling step is not decorative — it is structural. Pressing well-oiled fingers straight down to the pan bottom pops large bubbles that would otherwise lift the surface unevenly, and it creates the characteristic pockets that collect olive oil and hold toppings such as flaked sea salt and rosemary. Apply enough olive oil so the bottom of the pan is visibly coated; that oil is what fries the crust from below during baking.

Bake at a high oven temperature (typically around 425–450 °F / 220–230 °C) on a lower rack. About two-thirds of the way through baking, carefully tilt the pan and check the bottom crust color: it should be deep golden-brown, not pale or ivory. If it is still light, return the pan to the lower rack for a few more minutes. The bottom crust and the airy, hole-filled interior are the two quality markers graders will judge first.

Pretzel Dough and Alkaline Dipping

Soft pretzels start as a moderately stiff, low-sugar yeasted dough, but their defining characteristic comes from a pre-bake alkaline dip. Traditional lye dipping uses dilute sodium hydroxide (NaOH) solution. Because lye is a strong caustic chemical, many professional and school kitchens substitute a baked-baking-soda (sodium carbonate) solution, which is significantly safer while still raising the surface pH enough to trigger intense Maillard browning and produce the glossy, deep-brown, chewy crust pretzels are known for.

To make baked baking soda: spread regular baking soda (sodium bicarbonate) on a sheet pan and bake at 250–300 °F for about one hour. Heat drives off carbon dioxide and water, converting sodium bicarbonate to sodium carbonate (Na₂CO₃), which is more alkaline. Dissolve the resulting powder in water per your facility's recipe. The Maillard reaction proceeds faster at high pH, which is why the pretzel exterior browns at a lower oven temperature than plain dough would.

Safety — Alkaline Dipping Solutions

Even the baked-baking-soda solution is irritating to eyes and skin. Always wear splash goggles and chemical-resistant gloves when mixing or using any alkaline dipping solution. If your facility uses food-grade lye (sodium hydroxide), follow the facility's chemical handling SOP without exception — splash goggles, chemical-resistant gloves, and an apron are the minimum PPE. Mix lye into water (never water into lye) and work in a ventilated area. Promptly salt shaped pretzels after dipping, before the surface dries, so the salt adheres.

Flatbreads: Thickness, Heat, and Pocket Formation

Flatbreads such as pita and lavash are among the oldest breads in the world. Their dough is typically lower in fat and mixed to moderate hydration (55–65%). The key variable in this lab is consistent thickness. Use a rolling pin and a ruler: pita is generally rolled to about ¼ inch (6 mm); lavash is rolled thinner, often 1/8 inch (3 mm) or less.

Cooking on a dry, preheated cast-iron griddle produces both char marks and, in pita, steam-driven pocket formation. When a thin round of dough hits intense heat, surface moisture turns to steam rapidly and inflates the two layers apart. If the dough is rolled unevenly — thicker in the center — the pocket may form only on one side or not at all. Record your results in your lab log: thickness measured before cooking, time on each side, and whether a pocket formed or char marks appeared evenly.

Cast iron retains heat well but heats unevenly if not preheated long enough. Allow at least 5–8 minutes of preheating over medium-high heat, then test with a drop of water — it should evaporate immediately.

Connecting to Credential Standards

Both the ACF Certified Fundamentals Pastry credential and the Retail Bakers of America certification expect candidates to demonstrate knowledge of yeast dough varieties, baking science (Maillard reaction, fermentation, hydration), and safe food-production practices. Today's lab touches all three areas. Document your process thoroughly in your lab log; that habit of systematic observation — hydration percentage, fold count, dip time, bake temperature, finished product evaluation — reflects the professional standards these exams assess.

Lab Mindset

Evaluate your products honestly against the rubric before the instructor arrives. Ask yourself: Is the focaccia bottom brown and crisp when I lift the pan? Does my pretzel show uniform deep-brown color across the surface? Is my flatbread the same thickness edge to edge? Identifying your own errors is a core professional skill.

Key terms8

Hydration (baker's percentage)The weight of water in a dough expressed as a percentage of the total flour weight; focaccia dough at 75–80% hydration is very wet and slack compared to lean bread doughs at 60–65%.
Coil foldA gentle in-pan folding technique used with high-hydration doughs: the baker lifts the center of the dough so the ends fold underneath, developing gluten without degassing the dough.
Maillard reactionA chemical reaction between amino acids and reducing sugars that occurs when heat is applied, producing the brown color and complex roasted flavors characteristic of baked crusts; it proceeds faster at high pH.
Alkaline dipA pre-bake treatment in which formed pretzel dough is submerged in a high-pH solution (lye or baked baking soda) to raise surface pH, accelerating Maillard browning and creating the pretzel's distinctive deep-brown, chewy crust.
Baked baking soda (sodium carbonate)Regular baking soda (sodium bicarbonate) that has been heated in an oven to drive off water and carbon dioxide, converting it to sodium carbonate — a more alkaline compound used as a safer substitute for lye in pretzel dipping.
Pocket formationThe inflation of pita bread into two distinct layers caused by rapid steam generation inside the dough when it contacts a very hot cooking surface; dependent on even dough thickness and sufficient heat.
Baker's percentageA notation system in which every ingredient in a formula is expressed as a percentage of the total flour weight, allowing formulas to be scaled up or down easily and compared across recipes.
Chemical-resistant glovesPPE made from nitrile, neoprene, or similar materials that resist penetration by caustic chemicals such as sodium hydroxide or sodium carbonate solutions; required whenever alkaline dipping solutions are handled.

Worked examples4

1. You need to mix a focaccia dough at 78% hydration using 500 g of bread flour. How many grams of water do you need?
  1. Identify the flour weight: 500 g.
  2. Apply the baker's percentage formula: water = flour weight × (hydration % ÷ 100).
  3. Calculate: 500 g × 0.78 = 390 g.
Answer: 390 g of water.
2. Your full focaccia recipe calls for 800 g flour and 624 g water. You want to make only 60% of the recipe. How much flour and water do you scale out?
  1. Multiply each ingredient by 0.60 (60%).
  2. Flour: 800 g × 0.60 = 480 g.
  3. Water: 624 g × 0.60 = 374.4 g, rounded to 374 g.
Answer: 480 g flour and 374 g water.
3. You are rolling pita dough and your target thickness is ¼ inch (6 mm). You measure the rolled round and it is 9 mm in the center and 5 mm at the edges. By how many millimeters is the center too thick, and what is the likely effect on pocket formation?
  1. Target thickness: 6 mm.
  2. Center measurement: 9 mm. Difference: 9 mm − 6 mm = 3 mm too thick in the center.
  3. Edge measurement: 5 mm. Difference: 6 mm − 5 mm = 1 mm too thin at the edges.
  4. Assess the baking effect: the thick center will generate steam more slowly than the thin edges; the pocket is likely to form unevenly or only partially, and thin edges risk over-charring before the center is fully cooked.
Answer: The center is 3 mm too thick. Uneven thickness typically prevents a full, symmetrical pocket from forming and can cause edge burning.
4. Your tasting rubric has four categories each worth 25 points. Your scores are: focaccia 20, pretzel 22, flatbread 19, safety 25. Did you pass (80/100 required)?
  1. Add all four scores: 20 + 22 + 19 + 25 = 86.
  2. Compare to passing threshold: 86 ≥ 80.
Answer: Yes, a score of 86/100 meets the 80-point passing threshold.

The math in this lesson1

Learners multiply 500 g flour by 78% hydration to find 390 g water and scale formulas by 60%.
7.RP.3
Brush up in the math halls at newSchoolWorks.com:
In class: Focaccia dimpling and oil technique: students mix a high-hydration focaccia dough (75–80% hydration), perform coil folds in the pan, dimple the surface with oiled fingers, apply generous olive oil and toppings, and bake; they evaluate bottom crust color by lifting the pan partway through baking. · Lye solution safety and pretzel dipping: instructor demonstrates the safe preparation and use of a food-grade baked-baking-soda solution (sodium carbonate) as a safer substitute for lye dipping; students dip formed pretzel ropes, salt immediately, and bake, observing Maillard browning on the high-pH surface. (Note: if food-grade lye is used at the facility, the facility's chemical handling SOP and appropriate PPE—splash goggles and chemical-resistant gloves—apply.) · Flatbread dough rollout and dry-skillet bake: students scale and roll pita or lavash dough to consistent thickness using a rolling pin and ruler, cook on a dry cast-iron griddle, and record the relationship between thickness, heat, and pocket formation or char marks.
Materials: Bread flour, olive oil, flaked sea salt, rosemary, baking soda (for baked solution), kosher salt, cast-iron griddle, sheet pans, bench scraper, rolling pin, ruler, splash goggles, chemical-resistant gloves (if lye used), digital scale, instant-read thermometer, lab log sheets
Check: Tasting rubric completed by instructor and peer: focaccia crisp bottom/airy interior (25 pts), pretzel deep brown crust with salty chew (25 pts), flatbread even thickness and cook marks (25 pts), safety procedure followed correctly (25 pts); overall passing score 80/100.

Practice check8

Answer each question, then check it. Nothing is recorded; this is your own practice.

Yeast doughs and bread production
1. What is the primary structural purpose of dimpling focaccia dough with oiled fingers before baking?
Flatbread production and baking science
2. A baker rolls pita dough to 6 mm and cooks it on a very hot dry griddle. Pocket formation depends most directly on which of the following?
Baking science and chemistry
3. When baked baking soda is used as a pretzel dip instead of lye, the resulting crust still browns deeply because:
Workplace safety and chemical handling
4. Which minimum personal protective equipment (PPE) is required when handling any alkaline dipping solution, whether baked-baking-soda solution or food-grade lye?
Bread production and quality evaluation
5. A focaccia is pulled from the oven and the top crust is golden-brown, but when the pan is tilted the bottom crust is pale ivory. The best corrective action is to:
Formula scaling and baker's math
6. In baker's percentages, a focaccia formula calls for 75% hydration. If the formula uses 640 g of bread flour, how many grams of water are needed?
Baking science and chemistry
7. Why is ordinary baking soda (sodium bicarbonate) baked in an oven before being used in pretzel dipping solution?
Specialty bread production and troubleshooting
8. A student's pretzel shows pale, uneven color on one side and deep brown on the other after baking. The most likely cause is:
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