Ultimate Cheesy Chicken Spaghetti (Creamy Baked Dinner)

Ingredients

• 12 oz (340 g) spaghetti
• 3 cups (420 g) cooked shredded chicken
• 1 tablespoon unsalted butter, for greasing the dish
• 1 (10 oz) can diced tomatoes with green chiles, undrained
• 1 (10.5 oz) can condensed cream of chicken soup
• 1 (10.5 oz) can condensed cream of mushroom soup
• 1/2 cup (120 ml) chicken broth, plus more if needed
• 16 oz (450 g) processed cheese loaf, cubed
• 4 oz (115 g) cream cheese, cubed
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1/2 teaspoon smoked paprika
• 1/4 teaspoon black pepper
• 1/4 teaspoon salt, optional and to taste
• 1 1/2 cups (170 g) shredded sharp cheddar cheese
• 2 tablespoons chopped parsley, optional