InstructionsStep 1: Prepare the oven. Preheat it to 350 degrees. Using cooking spray, grease a 13 x 9-inch baking dish and set it aside.Step 2: To a large skillet, add the ground beef, sausage, salt, pepper, and garlic. Cook over medium-high heat until the ground beef and sausage is brown, crumbling the meat as it cooks.Step 3: Add the onion and celery to the skillet when the meat is almost half cooked and continue to cook until the meat is cooked through and the veggies are tender. Leave it as is when done and DO NOT DRAIN.Step 4: Whisk the broth and soups in another bowl until smooth, then pour this into the skillet, stir and cook until the mixture begins to bubble.Step 5: Add the rice and gently stir, then pour everything into the prepared baking dish. Tightly cover the dish using aluminium foil and place it in the preheated oven to bake for about an hour. Bake for 20 minutes more if the mixture cools before baking.Step 6: When done, take the casserole from the oven and allow it to rest for about 5 minutes, covered. Uncover the casserole, then fluff using a fork.Step 7: Serve and enjoy!