Basic, Great Chocolate Chip Cookies From Tara O’Brady

Ingredients

• 1 cup (225g) unsalted butter, cut into 1/2-inch (1.3cm) chunks
• 12 ounce (340g) semisweet or bittersweet chocolate
• 3 1/4 cup (415g) all-purpose flour
• 1 1/4 teaspoon baking powder
• 1 teaspoon baking soda
• 3/4 teaspoon fine sea salt
• 1 1/2 cup (320g) packed light brown sugar
• 1/2 cup (100g) granulated sugar
• 2 large eggs
• 2 teaspoon vanilla extract
• Flaky sea salt, for sprinkling (optional)