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Zucchini carrot muffins in colorful silicone muffin liners on a cooling rack.

Zucchini Carrot Muffins

These zucchini carrot muffins are a great way to include some sneaky nutrition into a kid-favorite treat. Perfect for a healthy breakfast or snack. 
4.88 from 8 votes
Yield: 18 muffins
Prep Time:15 minutes
Cook Time:20 minutes
Total Time:35 minutes

Ingredients
 

  • 1 cup whole wheat flour (recommend: white whole wheat flour variety)
  • 1/2 cup unbleached all-purpose flour
  • 3/4 cup ground flaxseed
  • 3/4 cup old-fashioned rolled oats
  • 3/4 cup dark brown sugar (sub: light brown sugar or coconut sugar)
  • 1 teaspoon baking soda
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 2 teaspoons cinnamon
  • 1/4 cup milk of choice
  • 1/2 cup avocado oil (sub: melted coconut oil or light olive oil)
  • 1/4 cup maple syrup
  • 2 large eggs (beaten)
  • 1 1/2 teaspoons vanilla extract
  • 1 cup large diced zucchini (3/4 inch diced pieces; about 1/2 a medium-sized zucchini)
  • 1/2 cup grated carrots (about 1 medium-sized carrot)
  • 3/4 cup sliced ripe banana (3/4 inch slices; about 1 large banana -- if using previously frozen banana, drain off any liquid first)
  • Optional: 1 cup chopped walnuts (chocolate chips, or raisins)

Instructions
 

  1. Prep: Preheat oven to 350°F. Grease a 12-cup muffin tin* or line it with paper or silicone liners. 
  2. Dry Ingredients: In a large mixing bowl, mix together flours, flaxseed, oats, brown sugar, baking soda, baking powder, salt, and cinnamon.
  3. Wet Ingredients: In a blender, blend together milk, oil, maple syrup, eggs, vanilla, chopped zucchini, grated carrots, and chopped banana. 
  4. Combine: Pour liquid ingredients into dry ingredients and stir just until ingredients are combined. Stir in optional nuts, chocolate chips, or raisins, if desired. Do not over-mix.
  5. Portion: Fill greased muffin tins with 1/4 cup of the batter.
  6. Bake: 20-22 minutes for one batch at a time (or 22-24 minutes if baking two batches at the same time), until a toothpick inserted in the middle comes out clean.
    Note: Silicone pans will take a few minutes longer to bake.
  7. Cool: Let cool on a cooling rack for 5 minutes in the tin. Remove muffins and place on the cooling rack for a bit longer, or serve warm with butter or cream cheese. Store in an airtight container at room temperature for 4-5 days.

Freezer Instructions

  • How to Freeze For Later: Follow recipe as directed and let muffins cool. Place in a gallon-sized freezer bag in a single layer and freeze flat. Freeze for up to 3 months.
  • How to Prepare From Frozen: Wrap frozen muffin a moist paper towel and microwave in 30-second increments until it is warmed through.

Notes/Tips

  • If you don’t have a blender, you can grate the zucchini and mash the banana and combine the wet ingredients together in a bowl before adding to the dry ingredients. The muffins may have a different texture but that’s okay. 
  • The oats can be blended with the wet ingredients if you prefer a muffin without the texture of whole oats.
  • If you have more of a sweet tooth, add mini chocolate chips to the batter.
  • We retested this old recipe several times, improved, and updated it in June 2025. If you still want to old recipe, you can download it here.

Nutrition

Serving: 1 muffin | Calories: 231 kcal (12%) | Carbohydrates: 31 g (10%) | Protein: 5 g (10%) | Fat: 10 g (15%) | Cholesterol: 21 mg (7%) | Sodium: 179 mg (8%) | Fiber: 4 g (17%) | Sugar: 14 g (16%)
If you make this, please leave a review and rating letting us know how you liked this recipe!
Author: Polly Conner