Cinnamon Rolls - cooking recipe

Ingredients

This recipe makes four 9 X 13 pans of cinnamon rolls! I have cut it in half and listed those ingredients after the full batch.
DOUGH:
1 quart milk
1 cup vegetable oil
1 cup sugar
2 packages of active dry yeast
9 cups plain flour
1 heaping teaspoon baking powder
1 scant tsp baking soda
1 tablespoon salt
FILLING:
2 cups melted butter
1/4 cup cinnamon
2 cups sugar
MAPLE ICING:
2 lbs powdered sugar (7 cups)
1/4 cup milk
6 Tbsp. butter, melted
Dash of salt
1/4 cup strongly brewed coffee
1 Tbsp maple flavoring or extract (or more to taste)
INGREDIENTS FOR 1/2 RECIPE
(2 9 X 13 pans)
DOUGH:
2 cups milk
1/2 cup vegetable oil
1/2 cup sugar
1 pkg active dry yeast
4 1/2 cups plain flour
1/2 tsp baking powder (maybe a tad more)
1/2 tsp baking soda
1/2 tsp salt
FILLING:
1 cup butter, melted
1/8 (or a little more) cinnamon
1 cup sugar
MAPLE ICING:
1 lb powdered sugar (3 1/2 cups)
1/4 cups milk
3 Tbsp butter, melted
Dash of salt
2 Tbsp strongly brewed coffee
2 tsp maple flavoring or extract

Preparation

DIRECTIONS:
Dough: Heat milk, oil and sugar in medium saucepan over med. heat. Do not boil. Set aside and cool to lukewarm.
Sprinkle the yeast on top and let sit for 1 minute. Add 8 cups flour (4 cups for 1/2 recipe) . Stir until just mixed, cover with kitchen towel and set aside in a warm place for 1 hour. Remove towel and add baking powder, soda, salt and the remaining flour. Stir thoroughly to combine.
Remove 1/2 of dough and roll into a large rectangle on a floured surface. (30 X 10 inches) For FILLING: pour 1/2 of melted butter on top of dough, spread around with fingers. Sprinkle 1/2 of cinnamon and sugar on top. Roll up, toward you, some filling will ooze out. Cut in 1 1/2 inch slices. Pour a few Tbsp of melted butter into pan and place rolls in pan. Continue process with the other half of the dough.
Preheat oven to *375. Cover pans with kitchen towels and set aside to rise for at least 20 minutes before baking. Wisk together icing ingredients and pour on while warm.