Brown Fudge Squares
["1 1/2 c. margarine", "6 eggs, beaten", "1 1/2 c. flour (all-purpose)", "1 c. cocoa", "3 c. sugar", "1 1/2 tsp. vanilla", "2 c. pecans, chopped (optional)", "1 c. chocolate chips (optional)"]
["Combine butter and cocoa in a small saucepan.", "Heat just until margarine melts.", "Set aside. Combine eggs and sugar in a large bowl, beating well. Add flour and vanilla.", "Mix well. Add chocolate mixture, beating until blended.", "Stir in pecans and/or chocolate chips. Bake in greased and floured 9 x 15-inch pan in a preheated oven at 325\u00b0 for 30 to 35 minutes. Cool and cut into squares."]
["margarine", "eggs", "flour", "cocoa", "sugar", "vanilla", "pecans", "chocolate chips"]