Make Box Brownies Better with Sour Cream
This easy sour cream trick makes your **box brownies better**—fudgy, rich, and perfectly moist with no added baking time. Just mix, bake, and enjoy.
Equipment
- Mixing bowl
- Whisk or spoon
- - 8x8 or 9x9-inch baking pan
- Parchment paper (optional)
Ingredients
- - 1 box brownie mix e.g. Ghirardelli Triple Chocolate
- - Eggs as directed on box
- - Water as directed on box
- - Oil as directed on box
- - **¼ cup full-fat sour cream**
- #### Optional Add-ins:
- - ½ cup chopped nuts walnuts or pecans
- - ½ cup chocolate chips
- - Crushed Oreos candy pieces, or peanut butter/Nutella swirls
Instructions
- Preheat oven according to box instructions (usually 325–350°F).
- Grease or line a square baking pan (8x8 or 9x9).
- In a large bowl, whisk together eggs, water, oil, and **sour cream**.
- Add the dry brownie mix and stir until just combined.
- Fold in any optional mix-ins.
- Pour batter into the prepared pan and spread evenly.
- Bake according to box instructions (typically 30–35 minutes).
- Check for doneness: edges set, center slightly soft, toothpick comes out with moist crumbs.
- Cool for 15–20 minutes in the pan before slicing.
Notes
- Use full-fat sour cream for best texture.
- Do not overbake—brownies will firm up as they cool.
- Great base for creative mix-ins and toppings.
- Do not overbake—brownies will firm up as they cool.
- Great base for creative mix-ins and toppings.