Best-Ever Baked Donuts - Master recipes

Ingredients

• 2 c. all-purpose flour -
• 2 tsp. baking powder -
• 1 tsp. kosher salt -
• 1/4 tsp. baking soda -
• Pinch of nutmeg (optional) -
• 2 large eggs -
• 1/3 c. packed brown sugar -
• 1/3 c. granulated sugar -
• 3/4 c. milk, divided -
• 1/2 c. sour cream -
• 2 tbsp. melted butter -
• 2 tbsp. vegetable oil -
• 2 tsp. pure vanilla extract -
• 1 c. semisweet chocolate chips -
• Sprinkles, for garnish -