Lemon Blueberry Sweet Rolls

Ingredients

• 2 1/2 tsp yeast
• 1 cup warm milk
• 2 eggs
• 1/3 cup sugar
• 1/2 cup softened butter (1 stick)
• 1 tsp salt
• 4 cups flour
• 1 tsp lemon zest (from 1 medium sized lemon)
• 2 tsp lemon zest (from 2 medium sized lemons)
• 2/3 cup sugar
• 1/4 cup melted butter
• 1 1/2 cups blueberries
• 2 cups powdered sugar
• 2 TBS lemon juice
• 2 TBS heavy cream (or milk, or half and half)
• 1 tsp vanilla