Strudel Topped Muffins

Muffins
1/2 cup vanilla or blueberry yogurt
3T oil
1T lemon juice
2 egg whites
1 1/2 cup flour
3/4 cup sugar
2t baking powder
1t lemon zest (always left out)
1/4t salt
1 cup frozen blueberries, raspberries, etc. (not in syrup)

Strudel Topping
1/4 cup sugar
2T flour
1T butter


Mix together wet ingredients (first 4). Mix together dry ingredients (next 5). Add wet ingredients to the dry ones and mix. Add berries and mix; set aside. Make strudel topping by combining ingredients with a fork until crumbly. Line or grease muffin tin and spoon evenly into cups. Spoon strudel on top. Bake at 400 for 16-20 min.