Take 1/3 cup oil, 3/4 cup sugar, 1 egg, 1 1/4 cup flour, 1/2 tsp baking soda and mix & match your recipe from these options...
HEAT 1/3 cup oil and Baker's Chocolate in an 8-inch square non-stick pan in a 350°F preheated oven for 2 minutes. Stir with a fork until chocolate is smooth.
ADD 3/4 cup each liquid and sugar, 1 egg, 1 1/4 cup flour and 1/2 tsp. baking soda. Beat with a fork until smooth, about 2 minutes. Top with a few handfuls add-ins.
BAKE for 30 minutes or until toothpick inserted in centre comes out clean; cool.