1cupwhole wheat flour(recommend: white whole wheat flour variety)
1/2cupunbleached all-purpose flour
3/4cupground flaxseed
3/4cupold-fashioned rolled oats
3/4cupdark brown sugar(sub: light brown sugar or coconut sugar)
1teaspoonbaking soda
1 1/2teaspoonsbaking powder
1/2teaspoonsalt
2teaspoonscinnamon
1/4cupmilk of choice
1/2cupavocado oil(sub: melted coconut oil or light olive oil)
1/4cupmaple syrup
2large eggs(beaten)
1 1/2teaspoonsvanilla extract
1cuplarge diced zucchini(3/4 inch diced pieces; about 1/2 a medium-sized zucchini)
1/2cupgrated carrots(about 1 medium-sized carrot)
3/4cupsliced 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)
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Instructions
Prep: Preheat oven to 350°F. Grease a 12-cup muffin tin* or line it with paper or silicone liners.
Dry Ingredients: In a large mixing bowl, mix together flours, flaxseed, oats, brown sugar, baking soda, baking powder, salt, and cinnamon.
Wet Ingredients: In a blender, blend together milk, oil, maple syrup, eggs, vanilla, chopped zucchini, grated carrots, and chopped banana.
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.
Portion: Fill greased muffin tins with 1/4 cup of the batter.
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.
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.