2 c. flour (3 tbsp.)
1 tbsp. baking powder
1/2 tsp. each salt and soda
1 1/2 tsp. cinnamon
6 tbsp. butter
1 (8 oz.) carton vanilla yogurt
2 eggs
1 c. chopped apples

Mix 2 cups flour, baking powder, salt, soda, 1/4 cup sugar and 1 1/2 teaspoons cinnamon. Blend 1/4 cup melted butter, yogurt and eggs with wire whisk. Stir into dry ingredients. Fold in apples. Fill muffin cups 2/3 full. Cut 2 tablespoons butter into 1/4 cup sugar, 3 tablespoon flour and 1/4 teaspoon cinnamon in bowl until crumbly. Sprinkle over muffins. Bake at 350 degrees for 25 minutes; yields 24 servings.