Ingredients

*to sour milk, add 1tsp lemon juice or vinegar to the 1/2 milk and let stand for 5 minute

Directions

• Preheat the oven to 325F
• Combine butter, oil, and sugar - bear until combined. Add eggs, vanilla, and sour milk - beat well.
• Mix together all dry ingredients separately, then stir into mixture. Mix well.
• Stir, by hand, zucchini into batter.
• Stir in half of the chocolate chips.
• Spoon into greased and floured 9x12x2 can pan and top with the remaining chocolate chips.
• Bake for 40-45 minutes, test with a toothpick to check doneness