Ingredients :
Muffins
2 cups all-purpose flour
1 cup white sugar
1/4 teaspoon salt
2 teaspoons baking powder
1/3 cup vegetable oil
2 eggs
2/3 cup Greek yogurt (I used 2% plain, Chobani Greek yogurt)
2 cups blueberries
2 tablespoons flour (for berries)
Topping
2/3 cup brown sugar
1/3 cup flour (or more)
1 teaspoon cinnamon
2 tablespoons butter, room temperature
Instructions