15-Minute Protein French Toast
This protein French toast gives you the golden, buttery, cinnamon-laced breakfast you want, with over 25 grams of protein in every stack. It cooks in one skillet and tastes like the real thing, but it keeps you full for hours.

Why This Protein French Toast Works
The custard blends whole eggs, milk, and vanilla protein powder so it sets up soft and creamy inside. A quick soak and a hot buttered pan give you crisp, golden edges that never turn gummy.
You can use whatever bread you have on hand. The protein powder sweetens it naturally, so you don’t need extra sugar, and a pinch of cinnamon makes the kitchen smell like a diner.
Ingredients

- 4 thick slices bread: slightly stale brioche or whole wheat works best, fresh bread can turn soggy
- 2 large eggs: at room temperature for the smoothest custard
- 1 scoop vanilla protein powder: about 30 grams, whey or plant-based both work
- 1/3 cup whole milk: swap with any dairy or unsweetened nut milk
- 1/2 teaspoon ground cinnamon: adds warmth without overpowering the protein flavor
- 1 tablespoon unsalted butter: for the pan, divided
- Pinch of salt: just enough to round out the sweetness
- Maple syrup, berries, or yogurt: for serving
Variations / Substitutions
- Chocolate protein powder: use it instead of vanilla and skip the cinnamon, the flavor lands like a breakfast pastry
- Egg whites only: replace 2 whole eggs with 3 egg whites, the toast stays light but you lose a little richness
- Dairy-free: choose a plant-based protein and unsweetened oat milk, the custard still thickens well
- Gluten-free bread: sturdy gluten-free sandwich bread holds up in the soak, just avoid very airy loaves
- Orange zest: stir 1/2 teaspoon into the custard for a bright, fresh note that cuts the sweetness
If you like this simple skillet breakfast, our Protein Pancakes follow the same quick custard method.
How To Make Protein French Toast
Step 1: Whisk the Custard

In a shallow bowl or pie dish, whisk the 2 eggs, 1 scoop protein powder, 1/3 cup milk, 1/2 teaspoon cinnamon, and a pinch of salt until the mixture is completely smooth and no dry powder clings to the whisk, about 1 minute. The protein powder can clump if you rush it, so scrape the sides once and whisk again.
Step 2: Soak the Bread

Place a slice of bread into the custard and let it sit for 15 seconds, then flip and soak the other side for another 15 seconds. The bread should feel heavy and fully saturated but not falling apart. Lift it out and let the excess drip off for a moment before moving it to a plate.
Step 3: Pan-Fry and Serve the French Toast

Melt 1/2 tablespoon butter in a nonstick skillet over medium heat. Add two soaked bread slices and cook until the bottoms are deeply golden and crisp, 3 to 4 minutes. Flip carefully and cook the second side another 3 minutes, then repeat with the remaining butter and bread. Serve the French toast right away while the crust is still crunchy, with a drizzle of maple syrup and a handful of fresh berries on top.
Tips for the Best Protein French Toast
- Use day-old or lightly toasted bread so it absorbs the custard without turning mushy.
- Keep the heat at medium, not high, so the outside crisps before the egg in the center overcooks and turns rubbery.
- Don’t crowd the pan. Give each slice a little room so steam can escape and you get a real sear.
- If the protein powder you use is unflavored, add 1 teaspoon of brown sugar or a tiny splash of vanilla to round out the taste.
Cook times by bread thickness:
| Bread thickness | Time per side |
|---|---|
| 1/2 inch (standard sliced) | 2 1/2 to 3 minutes |
| 3/4 inch (artisan or hand-cut) | 3 1/2 to 4 minutes |
| 1 inch (Texas toast) | 4 to 5 minutes, lower heat slightly |
Storing Leftovers
- Refrigerate: cool the French toast completely, then layer it between parchment paper in an airtight container. It keeps for up to 3 days.
- Reheating: pop slices in a toaster or toaster oven for a few minutes until hot and crisp again. The microwave works in a pinch, but the exterior softens.
What To Serve With Protein French Toast
A pile of fresh berries cuts through the richness with some sharp, juicy brightness. For an even higher protein plate, add a scoop of thick Greek yogurt or a couple of turkey sausage links on the side. If you want something creamier, a spoonful of almond butter melted over the top makes it taste like a cinnamon roll.
Frequently Asked Questions
Can I use egg whites instead of whole eggs?
Yes, replace 2 eggs with 3 egg whites. The toast will be lighter in texture and less custardy, but it still holds its shape.
Why is my French toast soggy in the middle?
Bread that is too fresh or soaked too long absorbs extra liquid and steams instead of searing. Slightly stale bread and a 15-second soak fix that.
What protein powder works best here?
A smooth vanilla whey or a vanilla plant-based blend both blend well. Avoid gritty or heavily sweetened powders because the texture and flavor can overpower the dish.

Protein French Toast Recipe
Ingredients
Method
- Whisk eggs, protein powder, milk, cinnamon, and salt in a shallow bowl until smooth.
- Soak each bread slice in the custard for 15 seconds per side, then let the excess drip off.
- Melt 1/2 tablespoon butter in a nonstick skillet over medium heat. Cook two slices at a time for 3 to 4 minutes per side until golden and crisp. Repeat with remaining butter and slices. Serve hot with your favorite toppings.
