1 pkg. yellow cake mix
1/3 c. butter
1 can Eagle Brand milk
2 eggs
1/2 c. Heath toffee bits
1 c. pecans, chopped
1 tsp. vanilla

Combine cake mix, butter and 1 egg. Mix at high speed with electric mixer until mix is crumbly. Press mixture into 9 x 13 pan. Blend milk, Heath bits, 1 egg, pecans and vanilla in mixing bowl. Pour over cake mixture.

Bake at 350°F for 25 to 35 minutes. Cool completely. Cut and serve with scoop of ice cream, if desired.