Bailey's Irish Cream Brownies

Bahan-bahan (16 porsi)

• 1 cup all-purpose flour
• 1/2 cup unsweetened cocoa powder
• 1 tsp . instant coffee powder (optional)
• 1/4 tsp . baking soda
• 1/4 tsp . salt
• heaping 1/3 cup bittersweet or dark chocolate chips
• 1/4 cup butter
• 2 eggs
• 1 cup sugar
• 1/3 cup Baileys Irish Cream
• 1 tsp . vanilla extract