Double Chocolate Muffins

These fluffy and moist double chocolate muffins are made entirely from scratch in just over 30 minutes. They're perfectly chocolatey without being too rich for breakfast.

Ingredients

• 1 ⅔ cups all-purpose flour (208g)
• 1 cup granulated sugar (200g)
• 1 ½ teaspoons baking soda
• ½ teaspoon table salt
• ½ cup natural cocoa powder (50g)
• ½ cup very hot or boiling water (118ml)
• ½ cup canola or vegetable oil (118ml)
• 1 cup sour cream (240g) (see note)
• 2 large eggs, lightly beaten
• 1 teaspoon vanilla extract
• 2 cups semisweet chocolate chips, divided (340g) (I like to use a blend of mini and regular-sized chocolate chips