Preheat oven to 350 degrees. Grease a 9 x 13 inch baking pan.
In mixer cream together sugar and butter. Add eggs one at a time, then vanilla, mix til combined. In a small bowl sift together dry ingredients. Add by 3/4 cupful to creamed mixture til thoroughly combined. Stir in Almond Joy Pieces and any extras you choose to add.
Spread into pan, it will be thick, but it will spread out to cover entire pan. Bake for 25 minutes. Cool several minutes before cutting into 16 bars.