preheat oven to 400F
cream together 1/2 cup oil of choice (melted butter or avocado oil) + 1 cup granulated sugar + 2 tsp vanilla
mix in 1/2 cup milk of choice (I used oat)
whisk in 2 eggs just until combined
in another bowl, mix together 1 2/3 cup all purpose flour + 1 1/2 tsp baking powder
fold in to the wet ingredients and don’t fully combine
add in 2 cups frozen blueberries and stir until all flour has been incorporated
scoop into a lined muffin pan (9 muffins)
streusel: 2 tbsp butter + 2 tbsp brown sugar + 2 tbsp granulated sugar + 1 tsp cinnamon
sprinkle evenly on top of each muffin
bake for 25-30 min or until golden and toothpick comes out clean