01 -
Stir cinnamon and sugar together in a small dish. Keep nearby.
02 -
Blend butter, sugar, and salt until smooth. Add egg, milk, yeast, and flour in order. Stir until silky, then gently mix in sprinkles. Let dough rest in a warm area for an hour and a half.
03 -
Flatten dough into a rectangle (about 9x12”). Spread over some butter, cover with cinnamon sugar mix, then sprinkle remaining sprinkles. Roll it up snugly and slice into 8 pieces.
04 -
Place rolls in a greased skillet. Cover tightly and store in fridge overnight. The next day, let them puff up in a cozy spot for 90 minutes.
05 -
Bake at 325°F for around 32-34 minutes or until golden brown. Cool them off for 15 minutes before drizzling on the glaze made of powdered sugar, milk, and vanilla. Toss more sprinkles on top.