all-purpose flour (about 1.5 kg) • unsalted butter (about 200 grams) • vegetable shortening (about 300 grams) • powdered sugar (about 200 grams) • baking powder • packed brown sugar (about 250 grams) • instant dry yeast (about 11 grams) or 1 1/2 teaspoons fresh yeast (about 6 grams) • (about 1 teaspoon) fruit salt (such as Picot, 5 grams; if unavailable, use any brand with tartaric acid, ascorbic acid, and baking soda, same weight) • large eggs • ground cinnamon • neutral oil (such as canola or vegetable oil) • salt •