Apple Crunch - cooking recipe

Ingredients

1/4 c. Bisquick baking mix
1 c. brown sugar, packed
1/2 tsp. salt
1 tsp. vinegar
1 c. water
1 tsp. vanilla
1 Tbsp. butter or margarine

Preparation

Blend baking mix, sugar and salt in saucepan.
Stir in vinegar and water.
Cook, stirring constantly, over medium heat, until mixture thickens and boils.
Boil and stir 1 minute.
Remove from heat; stir in vanilla and butter.
Let cool.