Vegan Oatmeal Walnut Chocolate Chunk Cookies with Flaky Sea Salt

Name: Vegan Oatmeal Walnut Chocolate Chunk Cookies with Flaky Sea Salt
Ingredients: 1 cup plus 3 tablespoons (150) grams all purpose unbleached flour; 3/4 cup plus 1 tablespoon (80 grams) oat flour; 1/2 teaspoon salt (I use fine sea salt); 1/4 teaspoon baking powder; 3/4 cup (150 grams) packed (not too firmly) organic light brown sugar; 1/4 cup plus 1 tablespoon (80 grams) almond butter (the kind you have to stir); 2 tablespoons (30 grams) water; 1 1/2 teaspoons pure vanilla extract; 1/2 cup (112 grams) virgin coconut oil, melted and warm; 3/4 cup (130 grams) chocolate chips, or coarsely chopped chocolate; 3/4 cup (75 grams) coarsely chopped walnuts; Flaky sea salt