PW Cinnamon Rolls

Ingredients

• 1 quart whole milk
• 1 cup vegetable oil
• 1 cup sugar
• 2 packages active dry yeast (4 1/2 teaspoons)
• 9 cups all-purpose flour, plus more for dusting
• 1 heaping teaspoon baking powder
• 1 scant teaspoon baking soda
• 1 tablespoon salt
• 2 cups melted butter, plus more as needed
• 1/4 cup ground cinnamon, for sprinkling
• 2 cups sugar, plus more as needed
• 2 pounds powdered sugar
• 1/2 cup whole milk
• 6 tablespoons (3/4 stick) butter, melted
• 1/4 cup strongly brewed coffee
• Dash of salt
• 1 tablespoon maple flavoring or maple extract