Preheat the oven to 350 degrees F. Spray a 13x9-inch casserole dish with nonstick spray. Use aluminum foil to create a divider in the middle of the casserole dish.
PREPARE THE GREEN BEANS:
If using fresh green beans, bring a large pot of water to a boil. Add all 8 cups of green beans and cook until crisp-tender- 3 to 4 minutes. Drain and run cold water over the green beans. Set aside.
PREPARE FRENCH'S GREEN BEAN CASSEROLE:
Mix soup, milk and pepper in a medium bowl. Stir in 4 cups of the cooked green beans and 2/3 cup Crispy Fried Onions. Spoon this mixture into one side of the divided casserole dish.
PREPARE GARLIC- PARMESAN GREEN BEAN CASSEROLE:
In a small saucepan, heat the cream. Add the Parmesan, lemon juice and spices. Continue to simmer until slightly thickened. Remove from heat. In a large bowl, combine 4 cups of the cooked green beans, the Parmesan sauce and 2/3 cups Crispy Fried Onions. Spoon this mixture into the other side of the divided casserole dish.
BAKE THE CASSEROLE:
Bake the casserole for 30 minutes. Remove from the oven, top each side with 2/3 cup of Crispy Fried Onions. Bake an additional 5 minutes, until onions are golden brown.