Soft, moist zucchini muffins packed with protein and lightly sweet flavor. Great for breakfast, meal prep, post-workout snacks, or healthier desserts. These stay tender for days thanks to the zucchini and yogurt.
Makes
12 muffins
Time
- Prep: 15 minutes
- Bake: 20–24 minutes
- Total: ~40 minutes
Ingredients
Dry Ingredients
- 1 cup oat flour
(or whole wheat flour) - ½ cup vanilla protein powder
(whey blend works best) - 1 tsp baking powder
- ½ tsp baking soda
- 1 tsp cinnamon
- ¼ tsp nutmeg (optional)
- ¼ tsp salt
Wet Ingredients
- 2 medium zucchini, grated
- 2 large eggs
- ½ cup plain Greek yogurt
- ¼ cup milk
- ¼ cup honey or maple syrup
- 1 tsp vanilla extract
- 2 tbsp melted butter or coconut oil
Optional Add-Ins
Choose one or combine:
- dark chocolate chips
- chopped walnuts
- pecans
- raisins
- blueberries
- hemp seeds
- chia seeds
Step 1: Prepare the Zucchini
Grate zucchini using a box grater.
Place grated zucchini in paper towels or clean kitchen towel.
Squeeze gently to remove some moisture.
Important
Do NOT squeeze completely dry.
You want:
- moist zucchini
- not watery zucchini
This keeps muffins soft.
You should end with about:
- 1½ cups grated zucchini
Step 2: Preheat Oven
Preheat oven to:
- 350°F (175°C)
Line muffin tin with liners or lightly grease.
Step 3: Mix Dry Ingredients
In a large bowl whisk:
- oat flour
- protein powder
- baking powder
- baking soda
- cinnamon
- nutmeg
- salt
Break up any protein powder lumps.
Step 4: Mix Wet Ingredients
In another bowl whisk:
- eggs
- Greek yogurt
- milk
- honey
- vanilla
- melted butter/oil
Then fold in zucchini.
Step 5: Combine Batter
Add dry ingredients into wet mixture.
Fold gently until just combined.
Batter should be:
- thick
- scoopable
- moist
Do not overmix or muffins may become dense.
Fold in optional add-ins.
Step 6: Fill Muffin Tin
Fill muffin cups:
- about ¾ full
Optional toppings:
- oats
- chopped nuts
- cinnamon sprinkle
Step 7: Bake
Bake for:
- 20–24 minutes
Until:
- tops are lightly golden
- centers spring back
- toothpick comes out mostly clean
Internal temperature for fully baked muffins:
200∘F to 205∘F
Step 8: Cool
Cool in muffin tin:
- 5 minutes
Then transfer to wire rack.
Cooling helps texture finish setting.
Texture & Flavor
- Moist interior
- Soft cake-like crumb
- Mild cinnamon warmth
- Slight sweetness
- Hidden vegetable moisture boost
Approximate Nutrition (Per Muffin)
Without chocolate chips:
- Calories: ~130–170
- Protein: ~8–12g
- Carbs: ~12–16g
- Fat: ~4–6g
Depends on protein powder and flour used.
Best Protein Powders for Baking
Best Choices
- whey-casein blends
- vanilla whey isolate
- plant protein blends designed for baking
Avoid
- pure casein only
- gritty low-quality protein powders
Optional Variations
Chocolate Chip Version
Add:
- ⅓ cup dark chocolate chips
Blueberry Version
Add:
- fresh blueberries
- lemon zest
Low-Carb Version
Use:
- almond flour
- monk fruit sweetener
Extra Protein Version
Add:
- 2 tbsp hemp hearts
- extra egg whites
Meal Prep & Storage
Counter
- 2 days sealed
Refrigerator
- 5–6 days
Freezer
- up to 2 months
Wrap individually for easy grab-and-go snacks.
Pro Tips
Let Batter Rest 5 Minutes
Oat flour hydrates and texture improves.
Don’t Overbake
Protein muffins dry out faster than regular muffins.
Use Room Temperature Ingredients
Helps even rise and softer crumb.
Add Crunch on Top
Walnuts or oats create bakery-style texture.
