Creamy Tuscan Mac and Cheese with Spinach and Sundried Tomatoes

Ingredients

• 2 cups 1% milk
• 1 cup heavy cream
• 1 teaspoon hot sauce (e.g., Frank's hot sauce)
• ½ teaspoon dried oregano
• ½ teaspoon dried basil
• ½ teaspoon onion powder
• ½ teaspoon garlic salt
• ½ teaspoon mustard powder
• ½ teaspoon dried parsley
• ¼ teaspoon smoked paprika
• 1 pinch red pepper flakes
• 1 lb medium pasta shells (or alternative pasta like macaroni or penne)
• 2 tablespoons salted butter
• 1 tablespoon oil from sundried tomatoes
• 3 cloves garlic, minced
• 2 tablespoons flour
• 1 tablespoon tomato paste
• 10 oz sundried tomatoes, diced
• 2 cups shredded cheddar cheese
• ½ cup shredded mozzarella cheese
• ¼ cup shredded Parmesan cheese
• 2 cups packed baby spinach (whole or roughly chopped)