Pasta with Chorizo and Spinach

Ingredients

• 1-1/4 cups uncooked penne pasta
• 4 teaspoons olive oil
• 1/3 pound uncooked chorizo or bulk spicy pork sausage
• 1 small onion, thinly sliced
• 4 ounces sliced fresh mushrooms
• 1/3 cup water-packed artichoke hearts, rinsed, drained and quartered
• 1/3 cup chopped oil-packed sun-dried tomatoes, drained
• 1 garlic clove, minced
• 1/4 teaspoon dried oregano
• 1/8 teaspoon salt
• 1/8 teaspoon pepper
• 3 cups chopped fresh spinach
• 2 tablespoons grated Parmesan cheese