Blueberry Streusel Muffins

1/3 cup sugar                                                                                    In a mixing bowl, cream sugar and butter.
1/4 cup butter or margerine, softened                                                  Add egg; mix well. Combine flour,baking
1 egg, beaten                                                                                     powder and salt: add to the creamed mix-
2 1/3 cups flour                                                                                  ture alternately with milk. Stir in vanilla.
4 tsp. baking powder                                                                          Fold in blueberries. Fill 12 greased or pa-
1/2 tsp. salt                                                                                       per-lined muffin cups 2/3 full. In a small
1 cup milk                                                                                         bowl, combine sugar, flour and cinnamon;
1 tsp. vanilla                                                                                      cut in butter until crumbly. Sprinkle over
1 1/2 cups fresh or frozen blueberries                                                  muffins. Bake at 375 degrees for 25 -30
                                                                                                        minutes or until browned.
1/2 cup sugar
1/3 cup flour
1/2 tsp. cinnamon
1/4 cup butter or margerine
I followed the above recipe with the following ingredients:
1/2 cup Splenda                                                                                    Follow above directions. Pour batter into
3/8 cup butter (6 tbsp.)                                                                          greased 13×9 pan and sprinkle with top-
3/8 cup egg substitute                                                                            ping. Bake at 375 degrees for 40-45 min.
3 1/2 cups flour
2 tbsp. baking powder
3/4 tsp. salt
1 1/2 cups nonfat milk
1 1/2 tsp. vanilla
4 cups fresh blueberries
1/2 cup sugar
1/4 cup Splenda
1/2 cup flour
1 tsp. cinnamon
3/8 cup butter (6 tbsp.)