Here's what you need:
1 and 1/3 cup flour
3/4 cup white sugar
1/2 teaspoon salt
2 tablespoons baking powder
1/3 cup applesauce
1 tablespoon vegetable oil
1/3 cup milk
1 cup blueberries
Mix all of the ingredients except for the blueberries in the stand mixer. When everything is incorporated, use a wooden spoon or spatula to gently fold the blueberries into the batter. Spoon it all into a muffin tin lined with paper cups -- this makes about 10 muffins. Tap the tin on the counter to level them off.
Next, make the delicious crunchy topping.
1/2 cup white sugar
1/3 cup flour
2 tablespoons cold butter, chopped into little pieces
1 and a 1/2 tablespoons cinnamon
Mix these items together with your fingers to distribute the butter. Spread the topping evenly over the muffins, pat down the topping so it will create a crust.
Pop them in a 400-degree oven for about 20 minutes or until top is brown and crunchy. Great with a cold glass of milk.