Sour Cream Orange Rolls

1 pkg. dry yeast (about 3 tsp)
1/2 cup warm water
1 3/4 cup sugar (divided)
2 eggs
1 cup melted butter
1 orange
1 cup sour cream (divided)
3 1/2 cups flour
1/2 tsp salt

Stir yeast into warm water. Add 1/2 cup sugar, 1/2 cup sour cream, eggs, 6 Tblsp. melted butter, salt and 2 cups flour. Beat well. Gradually add enough flour to make a soft dough that can be kneaded. Knead until smooth and elastic.
Place dough in greased clean bowl, cover and allow to rise until double in bulk. Knead dough to remove excess air. Divide into 2 parts. Roll each portion into a rectangle, 1/ inch thick.
Spread with orange filling. Roll up and cut like cinnamon rolls. Place slices on well greased baking sheet, allow to rise 10 to 15 minutes. Bake at 350 for 20 minutes. Ice with glaze after baked.

Orange filling:
Cream together 1/2 cup sugar, 1/3 cu butter, and grated zest of 1 orange. Spread over rolled out dough before rolling and cutting.

Orange glaze:
Combine 1/2 cup butter, 3/4 cup sugar, 1/2 cup sour cream and 2 tsp orange juice in sauce pan. Bring to a boil over medium heat. Boil stirring constantly for 3 minutes. Pour glaze over rolls immediately after removing rolls from oven.