Homemade Cinnamon Rolls with Vanilla Frosting

Ingredients

• 2 cups all purpose flour
• 1/2 tsp salt
• 1 envelope dried yeast
• 8 tsp salted butter cut into cubes
• 1 large egg
• 1/2 cup lukewarm water
• 1/2 stick (2oz) salted butter at room temperature
• 2 tsp ground cinnamon
• 3 tbsp dark brown sugar
• 1 1/2 cups powdered sugar
• 2 tbsp milk or more if needed