Step 1

Preheat the oven to 400℉ and line a muffin tin with baking cups.

Step 2

Combine all ingredients for crumble topping in a medium bowl with your hands until a crumbly texture is achieved.

Step 3

Then place crumble topping in the refrigerator until ready to use.

Step 4

Combine dry ingredients into a large bowl.

Step 5

Combine wet ingredients into a medium bowl.

Step 6

Sprinkle 2 tbsp of dry ingredients over blueberries and toss to coat. This will prevent berries from sinking to the bottom of the muffin.

Step 7

Combine dry and wet ingredients slowly with a large spoon, do not over mix.

Step 8

Gently fold lemon zest and berries into mixture. Using a medium ice cream scooper - place even portions into each muffin cup.

Step 9

Sprinkle crumble topping on to each muffin.

Step 10

Bake at 400℉ degrees for 18-20 minutes - or until a toothpick comes out clean.