orange-hazelnut spiral rolls

Ingredients For orange-hazelnut spiral rolls

• 5-5 1/2 c

  all purpose flour, divided
• 1 c

  mashed potato flakes
• 1/4 c

  sugar
• 2 pkg

  (1/4 ounce) quick-rise yeast
• 1 tsp

  salt
• 2 tsp

  grated orange peel
• 1 c

  milk
• 1/2 c

  butter, cubed
• 1/2 c

  sour cream
• 1/4 c

  water
• 2

  eggs
• FOR THE FILLING
• 1/3 c

  butter, softened
• 1 c

  powdered sugar
• 1 c

  ground hazelnuts
• FOR THE GLAZE
• 1/2 c

  sugar
• 1/4 c

  thawed orange juice concentrate
• 1/4 c

  sour cream
• 2 Tbsp

  butter