Cream sugar and margarine until fluffy. Add eggs and vanilla; mix well.
Combine flour, baking soda, baking powder, cinnamon and salt.
Add dry ingredients and milk alternately to creamed mixture. Mix well.
Pour into a greased and floured 13 x 9 x 2-inch pan.
Arrange fruit cut-side up on dough; sprinkle with Streusel Topping and some cinnamon.
Bake at 350°F 25 to 30 minutes or until wooden pick inserted near center comes out clean.
Streusel Topping: Combine 1/3 cup flour, 1/4 cup sugar and 1/4 teaspoon lemon extract; using a fork. Cut in 2 tablespoons margarine until crumbly.
*To make sour milk: Add 1/2 teaspoon vinegar to 2/3 cup plain milk; let stand 5 minutes