• 1 pound chicken sausage (or turkey or pork sausage)
• 2 tablespoons olive oil
• 1 tablespoon butter or ghee
• 1 small onion, diced
• 1/2 cup diced celery (about 2 ribs)
• 1 small bell pepper, diced
• 8 ounces cremini mushrooms, roughly chopped
• 1 tablespoon chili powder
• 2 teaspoons smoked paprika
• 1/2 teaspoon garlic powder
• 1/2 teaspoon ground cumin
• 1 tablespoon masa corn flour, optional, for thickening
• 15 ounces tomato sauce
• 15 ounces diced tomatoes
• 2 cups chicken broth
• 1 teaspoon dried basil
• 1 teaspoon dried marjoram or oregano
• 1 tablespoon brown sugar
• 1 teaspoon Worcestershire sauce
• 1/2 pound cooked chicken, shredded
• 8 ounces dried small pasta, such as elbows or shells
• kosher salt

suggested garnishes:

• sour cream
• grated cheddar cheese
• sliced green onions