These fluffy and moist chocolate zucchini muffins are a delicious twist on a classic recipe that adds a swirl of Nutella to the batter before baking. The combination of chocolate hazelnut spread and fresh summer zucchini is simply irresistible!
Preheat the oven to 350 degrees F. Line a 12-cup muffin tin with paper liners.
In a large bowl, combine the flour, baking powder, baking soda, salt, and cinnamon. Whisk well.
In a separate bowl, use an electric mixer to cream the butter and sugar together until light and fluffy. Scrape the bowl and add the eggs.
With the mixer on low, slowly add the dry mixture to the wet mixture until just combined. Stir in the zucchini and lemon zest.
Use a 1/4-cup scoop to evenly distribute the batter between the muffin liners. They should be about 2/3 full. Dollop 1 teaspoon of Nutella on top of each scoop of batter and swirl with a toothpick.
Bake for approximately 17-22 minutes. Check the centers with a toothpick. The toothpick should come out clean before removing the muffins from the oven.
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Notes
Protein Pointer – To balance this carby treat with protein, add ½ cup vanilla protein powder to the batter.Zucchini Bread - This recipe can also be made in two loaf pans. Bake for 35-50 minutes.
Storing Leftovers - Keep muffins in an airtight container and store at room temperature for up to a week.
Freezing - Zucchini muffins freeze beautifully! I suggest wrapping each muffin individually in plastic wrap before placing them all in a freezer-safe ziplock bag together. Store them in the freezer for up to 3 months, and thaw at room temperature for approximately 20 minutes before enjoying.