Ingredients
→ Brownie Base
1 cup unsalted butter, melted (2 sticks)
2 cups regular sugar
4 large eggs, room temperature
2 teaspoons vanilla
1½ cups all-purpose flour
½ teaspoon salt
→ Mix-ins & Toppings
1 cup white chocolate chips
1 cup colorful M&M’s, plus extra for sprinkling on top