Mint Chocolate Chip Pancakes

INGREDIENTS

• 3 to 4 drops green food coloring (optional)
• 1 1/3 cup all-purpose flour
• 1 cup buttermilk
• 1/2 teaspoon pure mint extract (See Cooks' Note)
• 1 tablespoon granulated sugar
• Store-bought or homemade hot fudge sauce, for serving
• 3/4 cup mini semisweet chocolate chips, plus more for topping
• Whipped cream, for serving
• Vanilla ice cream, for serving
• 1/2 teaspoon baking soda
• 2 tablespoons butter, melted and cooled to lukewarm, plus more for cooking
• 1/2 teaspoon pure vanilla extract
• 1/2 teaspoon salt
• 1 teaspoon baking powder
• 1 large egg