Fluffy high protein Brioche Bread

Makes: 1 loaf (8–10 slices)
Protein: ~9–11 g per slice (varies by protein powder)

Ingredients

• 2 ½ cups bread flour (or all-purpose flour)
• ½ cup unflavored or vanilla whey protein powder
• 2 ¼ tsp (1 packet) instant yeast
• 2 tbsp sugar or honey
• ½ tsp salt
• 3 large eggs, room temperature
• ¼ cup warm milk (not hot)
• ¼ cup plain Greek yogurt (adds protein + softness)
• ¼ cup unsalted butter, softened
• 1 tsp vanilla extract (optional)

Egg wash (optional):

• 1 egg + 1 tbsp milk

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Instructions

1. Activate yeast
   In a bowl, mix warm milk, sugar, and yeast. Let sit 5 minutes until foamy.
2. Mix dry ingredients
   In a large bowl, whisk flour, protein powder, and salt.
3. Add wet ingredients
   Add eggs, Greek yogurt, vanilla, and yeast mixture. Mix until dough forms.
4. Knead & add butter
   Knead 8–10 minutes (by hand or mixer). Gradually knead in softened butter until dough is smooth, elastic, and slightly sticky.
5. First rise
   Place dough in a lightly greased bowl, cover, and let rise 1–1½ hours, until doubled.
6. Shape
   Punch down dough, shape into a loaf (or divide into 3 strands and braid). Place in a greased loaf pan.
7. Second rise
   Cover and let rise 30–45 minutes until puffy.
8. Bake
   Brush with egg wash if using.
   Bake at 350°F (175°C) for 25–30 minutes until golden and cooked through.
9. Cool
   Let cool at least 20 minutes before slicing.

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Texture & Protein Tips

• Best protein powder: Whey or whey-blend (plant protein can make bread denser)
• If dough feels dry → add 1–2 tbsp milk
• For extra softness → replace 1 egg with 2 egg yolks