Line a large baking sheet (18 x 13 or similar) with parchment paper, then set nearby. Place popped popcorn in a large mixing bowl, then add M&M’s and pretzels on top
Preheat oven to 350ºF. Heat oil in heavy skillet (not nonstick) over medium-high heat. Combine 1 tablespoon rosemary, peppercorn and salt in a small bowl
Slowly pour the slurry into the pot, stirring constantly. In a heavy bottomed Dutch oven or large wide pot, over medium heat, add chicken broth, water, butter and all seasonings (poultry seasoning, onion powder, garlic powder, salt, parsley, basil, and pepper)
