Step 1: Preheat the Oven - Begin by preheating your oven to 350°F (175°C).
Step 2: Combine Dry Ingredients - In a large mixing bowl, whisk together the bread flour, baking powder, baking soda, and salt.
Step 3: Cream Butter and Sugars - In another bowl, beat the cold butter, brown sugar, and granulated sugar together until light and fluffy.
Step 4: Add Eggs and Vanilla - Add in the eggs one at a time, then pour in the vanilla extract and mix well.
Step 5: Incorporate Dry Ingredients - Gradually add the dry ingredient mixture to the wet ingredients, mixing on low speed until just combined.
Step 6: Fold in Chocolate Chips - Gently fold in the semi-sweet and mini chocolate chips using a spatula.
Step 7: Scoop and Bake - Using a cookie scoop, drop heaping tablespoons of dough onto your prepared baking sheets, leaving space between cookies. Bake for 10-12 minutes.
Step 8: Cool and Enjoy - Let cookies cool on the baking sheet for about 5 minutes before transferring them to a cooling rack.
