Bits O Brickle Bars

These taste a little like pecan pie.  They are so good!!!! 

1 yellow cake mix
1 egg
1/3 c. butter
1 (14 oz.) Eagle Brand milk
1 c. chopped pecans
1 tsp. vanilla
1 egg
1/2 c. Heath Bits O' Brickle

Mix first 3 ingredients until crumbly. Pat into 9x13 pan. Mix the rest of the ingredients together and pour over cake. Bake at 350 degrees for 30-35 minutes until golden brown. Cool and cut into squares.