stacey's baked potato soup

Ingredients

• 5 pounds white potatoes. baked then diced into large chunks
• 1 large white onion. sauté in bacon grease
• 1/2 pound bacon. fried.
• 1/2 cup instant mashed potato flakes
• 32 ounces box chicken broth
• 1/2 cup all purpose flour
• 1 box half & half. (4 cups)
• 1 box heavy cream (2 cups)
• 4 cups milk
• 1 stick butter
• 1/2 teaspoon thyme
• 1/2 teaspoon garlic powder
• 1/2 teaspoon sage
• 1/2 teaspoon pepper
• 1/2 tablespoon salt