Sourdough Cinnamon Rolls with Brown Butter Cream Cheese Frosting

Name: Sourdough Cinnamon Rolls with Brown Butter Cream Cheese Frosting
Cook time: 25 min
Total time: 25 min
Cuisine: American, French
Ingredients: 30 grams Sourdough Starter; 30 grams Bread Flour; 30 grams Warm Water; 58 grams Bread Flour; 58 grams Boiling Water; 212 grams Bread Flour; 27 grams Granulated Sugar; 5 grams Sea Salt; 80-90 grams Levain (see above; or 90g of active sourdough starter if you skip the levain); 116 grams Yudane (see above); 59 grams Whole Milk (room temperature); 2 Eggs; 113 grams Unsalted Butter (1 stick or 8 TBS, room temperature); 28 grams Unsalted Butter (2 TBS, room temperature); 7 grams Ground Cinnamon (1 TBS); 57 grams Dark Brown Sugar; 1 Egg (for egg wash); 57 grams Unsalted Butter; 113 grams Cream Cheese (4 oz, full-fat, room temperature); 1 pinch Sea Salt; 1 tsp Vanilla Extract; 113 grams Powdered Sugar (1 cup)