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Home > Recipes > Protein Bread Recipes

Onion Protein Focaccia

smiling woman in kitchen.
Updated on Dec 9, 2024 · By Andréa Marchese · This post may contain affiliate links · Leave a Comment
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After creating my Tomato Basil Protein Focaccia, I was inspired to try other interesting flavors. And when I received some sweet onions from my CSA, I created this Onion Protein Focaccia!

top view of two pieces of protein focaccia bread topped with caramelized onions
Onion Protein Focaccia

I was inspired by Jewish onion bread and bialys, which I have always loved. Since my bread recipes have more of a batter than a dough (and therefore can't be shaped well) and since I'm of Italian descent, I used a little extra virgin olive oil and called this focaccia. ;)

two pieces of protein focaccia bread topped with caramelized onions

 

Onion Protein Focaccia

As I do with most of my bread recipes, I'm using whole psyllium husk to get a bread-like texture. Psyllium is entirely fiber, so that's a plus! And like most of my bread recipes, this is also gluten-free.

I've cut these a bit smaller than a regular focaccia serving, so feel free to cut them as you wish. Whatever the size, they'll be delicious!

Recipe

top view of two pieces of protein focaccia bread topped with caramelized onions

Onion Protein Focaccia

Andréa Marchese
Makes one 8"x11.5" pan (8 small servings).
5 from 1 vote
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 22 minutes mins
Total Time 42 minutes mins
Servings 8 servings

Ingredients

For the sautéed onions:

  • 1 tablespoon extra virgin olive oil 15ml
  • 1 cup chopped sweet onions 160g

For the focaccia batter:

  • 6 large egg whites 198g (or equivalent flax egg replacer)
  • 1 tablespoon extra virgin olive oil 15ml
  • 2 tablespoons whole psyllium husks 14g
  • ⅓ cup natural unflavored rice protein powder 37g
  • ¼ teaspoon sea salt 1.2ml

Instructions
 

  • Sauté the onions in 1 tablespoon olive oil over low-medium heat until they begin to brown. I like to keep them covered and stir every couple of minutes.
  • While the onions are cooking, mix the remaining ingredients and let sit (so the psyllium expands to thicken the batter).
  • Once the onions are cooked, remove from heat and let cool slightly.
  • Preheat oven to 325F (163C).
  • Pour batter into a parchment-lined glass baking dish, 8"x11.5" (200mmx290mm) or slightly smaller, and spread evenly.
  • Spread sautéed onions on top.
  • Bake at 325F (163C) for about 22 minutes, or until batter is cooked through.
  • Cut into servings and enjoy!

Notes

A note about substitutions: You could substitute unflavored pea protein for the rice protein (or a pea protein blend, like Warrior Blend). I wouldn't use whey or casein as they would give a different (undesirable) texture.

Nutrition

Calories: 74kcal | Carbohydrates: 4g | Protein: 7g | Fat: 4g | Fiber: 2g | Sugar: 1g | Net Carbohydrates: 2g
Tried this recipe?Please consider leaving a review!

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smiling woman in kitchen.

Hi, I'm Andréa! I’ve been baking with protein powder since 2013, and I can give you all the top tips for creating delicious high protein snacks, desserts, and more.

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