Chewy Peanut Butter Bars

1/2 Cup of butter or margarine
1/2 Cup creamy peanut butter
1 1/2 Cups sugar
1 Cup all-purpose flour
2 eggs, beaten
1 teaspoon vanilla extract

In a large saucepan, melt the butter and peanut butter. 
Remove from heat, add sugar and flour.
Stir in the eggs and vanilla. 
Spread into a a greased 13 in x 9 in baking pan. 
Bake at 350 degrees for 28 - 32 minutes or until lightly browned
and edges start pulling away from sides of pan
Yield - 2 dozen