Cinnamon Raisin Biscuits

Name: Cinnamon Raisin Biscuits
Ingredients: Butter, bacon grease, or the fat of your choice, for the pan, if you like; 4 tablespoons (½ stick/ 57 grams to be exact) cold salted butter, homemade if you want (see page 34); 2 cups (240 grams) all-purpose flour, plus more for rolling; 1 tablespoon granulated sugar, plus more for sprinkling; 1 1/2 teaspoons cream of tartar; 1 1/2 teaspoons baking powder; 1 teaspoon fine sea salt; 1 teaspoon ground cinnamon, plus more for sprinkling; 3/4 cup (170 grams) cold whole milk; Vanilla extract, homemade if you want (see page 33); Distilled white vinegar (or use apple cider vinegar, homemade if you want; see page 41); 1/2 cup (75 grams) raisins; 2 tablespoons salted butter; 1/2 cup powdered sugar; Vanilla extract; Fine sea salt; Don't forget: A 1-pint regular mason jar, or a 3-inch cookie or biscuit cutter