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A slice of hot fudge cake.
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Lunch Lady Brownies

These Lunch Lady Brownies are the easiest brownie recipe using no special equipment, just a couple bowls and a whisk. It's a quick dessert for beginner bakers to try at home and tastes just like those nostalgic brownies from your school cafeteria.
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Dessert
Cuisine: American
Keyword: chocolate
Servings: 24 servings
Calories: 244kcal

Ingredients
 

For the Brownie

  • 1 cup salted butter melted
  • 2 cups granulated sugar
  • 4 large eggs
  • 2 teaspoons vanilla extract
  • 1/2 cup unsweetened cocoa powder
  • 1 1/2 cups all-purpose flour
  • 1/2 teaspoon salt

For the Frosting

  • 1/3 cup salted butter
  • 1/3 cup unsweetened cocoa powder
  • 1/3 cup whole milk
  • 2 cups powdered sugar sifted
  • 1 teaspoon vanilla extract

Instructions

  • Preheat oven to 350°F. Grease with butter or nonstick spray a 15x10-inch sheet pan or 13×9-inch baking pan or line with parchment paper.
  • In a large bowl, whisk together salted butter, granulated sugar, and cocoa powder.
  • Add eggs and whisk again.
  • Stir in vanilla extract.
  • Fold in all-purpose flour, and salt until just combined. Don't overmix.
  • Pour batter into the prepared pan and spread evenly. Bake for 20–22 minutes, until the center is just set and a toothpick comes out with a few moist crumbs.
  • About 5 minutes before the brownies come out, melt the butter in a small saucepan over medium heat. Whisk in unsweetened cocoa powder and whole milk until smooth. Remove from heat and stir in powdered sugar and vanilla extract until silky and pourable.
  • Pour the warm frosting over the hot brownies straight from the oven and spread to the edges. Let cool completely in the pan before cutting into bars.

Notes

Storage: 
Store any leftover brownies in an airtight container on the counter for up to 3 days. Refrigerate for up to 1 week.
Freezing these brownies also works well, just place them in a container for up to 2 months. Thaw overnight before enjoying.
Tips: 
  • To know when the brownies are done baking, use the toothpick test. If an inserted toothpick comes out with moist crumbs, then the brownies are ready to remove and bake.
  • Always pour the frosting over the hot brownies. This is different from most cakes and brownie recipes. By letting the frosting cool as the brownies cool, it forms a crackly topping that is super fudgy in texture.
  • Adds nuts if you want. You could stir in chopped pecans or walnuts into the brownie batter or sprinkle them on top of the frosting.
  • Don't over-mix the batter or the frosting. You want to stir just until combined or else your brownies could be tough or the frosting can break.

Nutrition

Calories: 244kcal | Carbohydrates: 35g | Protein: 3g | Fat: 12g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.4g | Cholesterol: 59mg | Sodium: 144mg | Potassium: 75mg | Fiber: 1g | Sugar: 27g | Vitamin A: 366IU | Calcium: 17mg | Iron: 1mg
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