Delightful Mint Chocolate Chip Brownies

Ingredients

• 1/2 cup (115g) unsalted butter, melted
• 1 cup (200g) granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1/3 cup (40g) unsweetened cocoa powder
• 1/2 cup (65g) all-purpose flour
• 1/4 teaspoon salt
• 1/4 teaspoon baking powder
• 1/2 cup (90g) mint chocolate chips
• 1/2 cup (115g) unsalted butter, softened (optional for frosting)
• 1 3/4 cups (220g) powdered sugar (optional for frosting)
• 1 teaspoon peppermint extract (optional for frosting)
• Green food coloring (optional for frosting)
• Additional mint chocolate chips for garnish