One-pot pasta with tomatoes and spinach | Genesis Healthcare System

Ingredients

• 1 tablespoon olive oil
• 1 cup chopped onion
• 6 garlic cloves, finely chopped
• 1 (14.5-ounce) can unsalted petite diced tomatoes, undrained
• 1 1/2 cups unsalted chicken stock
• 1/2 teaspoon dried oregano
• 8 ounces whole-grain spaghetti or linguine
• 1/2 teaspoon salt
• 10 ounce fresh spinach
• 1 ounce Parmesan cheese, grated (about 1/4 cup)