Baked Cinnamon Sugar Protein Donuts – Soft, Light, and Satisfying

These baked cinnamon sugar protein donuts taste like a weekend treat but fit right into a balanced routine. They’re fluffy, warmly spiced, and come together fast with simple pantry ingredients. No fryer, no fuss—just mix, bake, and coat.

Enjoy them with coffee after a workout or as an afternoon pick-me-up. You’ll get that donut-shop vibe with a better macro profile and less sugar than the classic kind.

Why This Recipe Works

• Baked, not fried: You get a tender crumb without heavy oil, keeping calories lower and cleanup easier.
• Protein boost: Whey or plant protein helps with satiety and balances the carb hit from the donut and cinnamon sugar.
• Moist and fluffy texture: Greek yogurt and a touch of oil prevent dryness, which can be an issue in high-protein bakes.
• Warm spice + vanilla: Cinnamon and vanilla round out the flavor so it tastes like a real treat, not a “health food.”
• Ready in 25 minutes: Simple batter, quick bake, easy coating—perfect for busy mornings.

What You’ll Need

• 1 cup (120 g) white whole wheat flour (or all-purpose flour)
• 1/2 cup (45–50 g) vanilla whey protein powder (or plant-based protein; see tips below)
• 1/2 cup (100 g) granulated sugar (or coconut sugar)
• 1 tsp baking powder
• 1/4 tsp baking soda
• 1/2 tsp kosher salt
• 1 tsp ground cinnamon (plus more for coating)
• 2 large eggs, room temperature
• 1/2 cup (120 g) plain Greek yogurt (2% or 0%)
• 1/3 cup (80 ml) milk (dairy or unsweetened almond milk)
• 2 tbsp neutral oil (avocado, light olive, or canola)
• 2 tsp vanilla extract
• For coating: 3 tbsp melted butter (or coconut oil), 1/3 cup (65 g) sugar, 1–2 tsp cinnamon, pinch of salt
• Equipment: Donut pan (standard 6-cavity), mixing bowls, whisk, spatula

Step-by-Step Instructions

1. Preheat and prep: Heat oven to 350°F (175°C). Lightly grease a 6-cavity donut pan or use nonstick spray.
2. Mix dry ingredients: In a bowl, whisk flour, protein powder, sugar, baking powder, baking soda, salt, and cinnamon until combined.
3. Mix wet ingredients: In another bowl, whisk eggs, Greek yogurt, milk, oil, and vanilla until smooth.
4. Combine: Add wet to dry.

   Stir gently with a spatula just until no dry streaks remain. Do not overmix or donuts can turn tough.

5. Fill the pan: Spoon or pipe batter into the donut wells, filling each about 3/4 full for a nice rise.
6. Bake: Bake 10–12 minutes, until donuts spring back when touched and a toothpick comes out clean.
7. Cool briefly: Let donuts rest in the pan 5 minutes, then turn onto a wire rack.
8. Make the coating: Stir sugar, cinnamon, and a pinch of salt in a shallow bowl. Melt butter in a separate bowl.
9. Coat: Brush each warm donut lightly with melted butter, then toss in the cinnamon sugar to coat. For less sugar, dip only one side or dust lightly.
10. Serve: Enjoy warm or at room temperature.

    They’re best the day they’re baked but store well.

Keeping It Fresh

• Room temp: Store in an airtight container for 1–2 days. Add a small piece of paper towel to absorb moisture and keep the coating crisp.
• Refrigerate: Up to 4 days. Warm 10–15 seconds in the microwave before serving.
• Freeze: Skip the sugar coating, wrap individually, and freeze up to 2 months.

  Thaw, warm, then coat with cinnamon sugar.

Why This is Good for You

• Balanced macros: Protein helps keep you full and supports recovery, while carbs fuel your day.
• Better fats: Minimal oil keeps saturated fat lower than typical fried donuts.
• Smarter sweets: You control the sugar amount and can go lighter on the coating.
• Whole grains option: White whole wheat flour adds fiber without a dense texture.

What Not to Do

• Don’t overmix the batter. It can make the donuts rubbery, especially with added protein.
• Don’t overbake. A minute too long can dry them out. Pull them when they spring back.
• Don’t pack the flour. Spoon and level it to avoid a dense, dry donut.
• Don’t coat when cold. The cinnamon sugar sticks best while the donuts are still warm.

Recipe Variations

• Maple glaze: Skip the sugar coating. Whisk 1/2 cup powdered sugar with 1–2 tbsp maple syrup and a splash of milk; dip cooled donuts.
• Cinnamon roll twist: Add 1/4 tsp ground nutmeg and a tiny pinch of cloves to the batter.
• Apple cinnamon: Fold in 1/2 cup finely diced apple and reduce milk by 1–2 tbsp.
• Chocolate chip: Stir in 1/3 cup mini dark chocolate chips; keep the cinnamon sugar or switch to a cocoa dusting.
• Plant-based: Use a pea-based protein, dairy-free yogurt, and almond milk.

  Swap eggs for 2 flax eggs (2 tbsp ground flax + 5 tbsp water, rested 10 minutes). Texture will be slightly denser but still soft.

FAQ

Can I use unflavored protein powder?

Yes. Add 1–2 extra teaspoons of sugar and an extra 1/2 teaspoon of vanilla to balance flavor.

Taste the batter and adjust sweetness if needed.

My batter is thick. Is that normal?

Yes, protein batters are thicker. If it seems paste-like, whisk in 1–2 tablespoons of milk until it’s easily spoonable but not runny.

What if I don’t have a donut pan?

Make mini muffins instead.

Bake at the same temperature for 9–11 minutes, then roll the warm tops in the cinnamon sugar.

Which protein powder works best?

Whey concentrate or a whey/casein blend bakes up tender. Plant proteins work too, but you may need an extra tablespoon or two of milk.

How do I reduce sugar further?

Cut the batter sugar by 2–3 tablespoons and dust the donuts lightly with cinnamon instead of a full sugar coat, or use a granular alternative sweetener that measures 1:1.

Can I double the recipe?

Absolutely. Bake in batches, and stir the batter gently between rounds to keep it smooth.

Avoid letting it sit too long; protein batters can thicken.

Final Thoughts

These baked cinnamon sugar protein donuts deliver comfort and balance in one bite. They’re quick to make, easy to tweak, and friendly to everyday routines. Keep a batch on hand for a sweet, satisfying snack that actually pulls its weight nutritionally.

Warm, soft, and lightly spiced—this is a treat you’ll want on repeat.

Protein Donuts Baked Cinnamon Sugar Protein Donuts - Soft, Light, and Satisfying

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 12 minutes mins

Total Time 22 minutes mins

Servings 12 servings

Ingredients

  

• 1 cup (120 g) white whole wheat flour (or all-purpose flour)
• 1/2 cup (45–50 g) vanilla whey protein powder (or plant-based protein; see tips below)
• 1/2 cup (100 g) granulated sugar (or coconut sugar)
• 1 tsp baking powder
• 1/4 tsp baking soda
• 1/2 tsp kosher salt
• 1 tsp ground cinnamon (plus more for coating)
• 2 large eggs, room temperature
• 1/2 cup (120 g) plain Greek yogurt (2% or 0%)
• 1/3 cup (80 ml) milk (dairy or unsweetened almond milk)
• 2 tbsp neutral oil (avocado, light olive, or canola)
• 2 tsp vanilla extract
• For coating: 3 tbsp melted butter (or coconut oil), 1/3 cup (65 g) sugar, 1–2 tsp cinnamon, pinch of salt
• Equipment: Donut pan (standard 6-cavity), mixing bowls, whisk, spatula

Instructions

 

• Preheat and prep: Heat oven to 350°F (175°C). Lightly grease a 6-cavity donut pan or use nonstick spray.
• Mix dry ingredients: In a bowl, whisk flour, protein powder, sugar, baking powder, baking soda, salt, and cinnamon until combined.
• Mix wet ingredients: In another bowl, whisk eggs, Greek yogurt, milk, oil, and vanilla until smooth.
• Combine: Add wet to dry.Stir gently with a spatula just until no dry streaks remain. Do not overmix or donuts can turn tough.
• Fill the pan: Spoon or pipe batter into the donut wells, filling each about 3/4 full for a nice rise.
• Bake: Bake 10–12 minutes, until donuts spring back when touched and a toothpick comes out clean.
• Cool briefly: Let donuts rest in the pan 5 minutes, then turn onto a wire rack.
• Make the coating: Stir sugar, cinnamon, and a pinch of salt in a shallow bowl. Melt butter in a separate bowl.
• Coat: Brush each warm donut lightly with melted butter, then toss in the cinnamon sugar to coat. For less sugar, dip only one side or dust lightly.
• Serve: Enjoy warm or at room temperature.They’re best the day they’re baked but store well.