Hunter's favorite chili recipe

Ingredients

• 2 tablespoons vegetable oil
• 3 pounds ground venison
• 2 tablespoons bacon grease
• 3 onions, chopped
• 3 green bell peppers, chopped
• 1/2 cup chopped celery
• 1 (28 ounce) can whole tomatoes, undrained
• 2 tablespoons dried parsley flakes
• 2 tablespoons chili powder
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• 1/2 teaspoon garlic powder
• 2 ( 15 1/2 ounce) cans kidney beans, undrained
• 1 (16 ounce) can pinto beans, undrained