Chocolate Chunk and Macadamia Oatmeal Cookies

Name: Chocolate Chunk and Macadamia Oatmeal Cookies
Ingredients: 1 1/2 cups (7 1/2 oz./235 g) all-purpose flour; 2 tsp. baking powder; 1 tsp. baking soda; 1 tsp. ground cinnamon; 1/2 tsp. kosher salt; 12 Tbs. (1 1/2 sticks) (6 oz./185 g) unsalted butter, at room temperature; 3/4 cup (6 oz./185 g) granulated sugar; 3/4 cup (6 oz./185 g) firmly packed dark brown sugar; 2 eggs; 2 tsp. vanilla extract; 2 cups (6 oz./185 g) rolled oats; 2 cups (10 oz./315 g) semisweet chocolate chunks or chips; 3/4 cup (3 3/4 oz./115 g) dry-roasted macadamia nuts or almonds, coarsely chopped; Flaky sea salt