Pour the liquid mixture into the dry and mix well making sure no clumps are left. Fold in blueberries and fill muffins 3/4 full. Top muffins with cinnamon crumb mixture and bake for 20-25 minutes. Don’t be alarmed if the batter seems thick, it is.
- 1/2 cup white sugar
- 1/3 cup all-purpose flour
- 1/4 cup butter, cubed
- 1 1/2 teaspoons ground cinnamon
Topping: Combine flour, sugar and cinnamon in a bowl and mix together. Add butter chunks and either use a fork or your hands and just mix the butter around and it will begin to form cinnamon chunks. Once done, sprinkle on top of muffins before going into the oven.