Strawberry Blueberry Muffins
In a large bowl mix together the melted butter, vegetable oil, and granulated sugar.
Mix Wet Ingredients
Add the egg and vanilla extract whisking to combine.
In a separate bowl combine the all-purpose flour, baking powder, and salt.
Whisk Dry Ingredients
In a small bowl combine the blueberry, strawberries, and teaspoon of flour.
Add everything together
Add half of the flour mixture into the wet ingredients gently folding
Add Some Dry Ingredients
Then add half of the buttermilk whisking to combine. Add remaining flour mixture and finish with buttermilk, Do not over mix.
Gently fold the berries into the batter.
Divide the batter between 8 cups. Bake for 5 min then reduce the temperature to 350F/180C and bake for an additional 10 to 13 minutes, or until a toothpick inserted comes out clean.