Ingredients
Streusel Topping:
1/4 cup flour
2 Tbsp brown sugar, packed
2 Tbsp butter butter
1/4 tsp ground cinnamon
Muffins:
2 cups flour
1 tsp baking powder
1/2 tsp baking soda
1 tsp cinnamon
1/2 tsp salt
1/4 cup butter, melted and cooled
2/3 cup sugar
2 eggs
1 tsp vanilla extract
1 cup plain Greek yogurt
Preparation
