Ingredients:

3/4 Cocoa Powder
3/4 Shortening
2 1/4 Sugar
4 Eggs
1 Vanilla
1 1/4 Flour
1 Baking Powder
1 Salt
1 Walnuts
Pecans

Directions:

Preheat oven to 350 degrees.
Grease a 9×13 pan.
Melt shortening in a large saucepan over low heat, then stir in cocoa.
Remove from heat.
Mix in sugar and vanilla then mix in eggs one at a time.
Stir in remaining ingredients then stir in nuts.
Bake for 30 minutes.
Cool completely, before cutting into 2×2 squares.
I have read all the great reviews and learned from them, thank you all. Now I line my pan with buttered alumunin foil or parchment paper. This works very well.