Get Ready: Start by preheating your oven to 425°F (218°C). Line a standard 12-cup muffin tin with paper liners – this makes cleanup a breeze!
Whisk Dry Goodness: In a medium mixing bowl, gently whisk together the flour, baking powder, baking soda, and salt. Set this aside for a moment.
Combine Wet Wonders: In a separate, larger mixing bowl, whisk together the buttermilk, eggs, both granulated and brown sugars, the cooled melted butter, and vanilla extract until everything is smoothly combined.
Mix Smartly: Now, add your dry ingredient mix to the wet ingredients. Stir gently with a spoon or spatula just until you no longer see streaks of dry flour. A slightly lumpy batter is actually perfect for tender muffins, so be careful not to overmix, as this can make your muffins tough!
Fold in Chocolatey Joy: Gently fold in most of your chocolate chips, saving about 2 tablespoons to sprinkle on top. This ensures every muffin gets that signature bakery look!
Fill & Top: Divide the batter evenly among the 12 prepared muffin cups, filling them almost to the very top. A trigger-release ice cream scoop makes this step super easy! Sprinkle the reserved chocolate chips and your optional coarse sugar over each muffin for that extra special finish.
Bake for Bakery Bliss: Pop your muffins into the preheated 425°F (218°C) oven for just 5 minutes. This initial high heat helps them rise beautifully! Then, reduce the oven temperature to 350°F (175°C) and continue baking for another 15-17 minutes, or until the tops are golden brown and a toothpick inserted into the center comes out clean.
Cool & Enjoy: Let your delicious muffins cool in the pan for 10 minutes before transferring them to a wire rack to cool completely. These homemade treats are best enjoyed warm and fresh – a healthier, happier choice than store-bought!