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cast iron cinnamon rolls with cream cheese frosting
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4.61 from 58 votes

Easy Sourdough Discard Cinnamon Rolls {30 minute recipe!}

These buttery sourdough discard cinnamon rolls with cream cheese frosting only take 30 minutes to make from start to finish!
Prep Time15 minutes
Cook Time15 minutes
Total Time30 minutes
Course: Breakfast, Dessert
Cuisine: American
Keyword: cinnamon roll, discard, sourdough
Servings: 12 cinnamon rolls
Calories: 361kcal
Author: Stephanie Dieckman

Equipment

  • grater for butter
  • Whisk or hand mixer for glaze
  • 10 Inch Cast Iron Skillet or 9x12-inch baking dish
  • Rolling Pin

Ingredients

Cinnamon Roll Dough

  • 2 ½ cups all-purpose flour
  • 1 tablespoon sugar
  • 4 teaspoons baking powder
  • 1 teaspoon salt
  • ¾ cup butter cubed or grated
  • 1 cup sourdough starter active sourdough starter or discard works fine
  • 1 egg
  • ½ cup milk

Cinnamon Sugar Filling

  • ¼ cup softened butter
  • ¼ cup brown sugar
  • 1 tablespoon cinnamon
  • 1 teaspoon vanilla extract

Cream Cheese Glaze

  • 4 oz softened cream cheese
  • 1 cup powdered sugar
  • ¼ cup whole milk
  • ½ teaspoon vanilla

Instructions

  • Preheat oven. Preheat to 425°F (220°C). If using a cast iron skillet, place it in the oven to preheat.
  • Mix dough. Whisk flour, sugar, salt, and baking powder. Cut or grate in cold butter until coated. Stir in sourdough discard, egg, and milk just until a shaggy dough forms (do not knead).
  • Create layers. Turn dough onto a floured surface, gently fold to combine, then roll into a small rectangle. Tri-fold the dough onto itself three times to create flaky layers.
  • Roll out. Roll dough into a large rectangle (about 18×12 inches) on a well-floured surface.
  • Add filling. Mix softened butter, brown sugar, cinnamon, and vanilla. Spread evenly over the dough.
  • Roll & cut. Roll tightly from the long edge and cut into 12 equal rolls using a sharp knife or floss.
  • Bake. Place rolls in a greased 9×13 pan or seasoned, preheated skillet. Bake 15–18 minutes, until lightly golden.
  • Frost & serve. Whisk frosting ingredients until smooth, spread over hot rolls, and serve warm.

Notes

  • Cold butter matters: Grated cold butter creates flaky layers—work quickly so it doesn’t melt into the dough.
  • Do not knead: This is a biscuit-style dough; overmixing will make the rolls dense.
  • Cast iron option: A 10-inch cast iron skillet gives the best rise and browning, but a greased 9×13 pan works well, too.
  • High-heat bake: Baking at 425°F creates fast oven spring for soft, tender rolls.
  • Frost while warm: Spread icing on hot rolls so it melts into the swirls.
  • Long-ferment variation: To long ferment, omit baking powder and add butter only after fermentation during lamination and shaping, and add a second rise time.

Nutrition

Serving: 1roll | Calories: 361kcal | Carbohydrates: 42g | Protein: 5g | Fat: 20g | Saturated Fat: 12g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 66mg | Sodium: 500mg | Potassium: 83mg | Fiber: 1g | Sugar: 16g | Vitamin A: 646IU | Vitamin C: 0.02mg | Calcium: 128mg | Iron: 2mg
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