Unstuffed Spicy Tomato Basil Shells with Whipped Ricotta.

Bahan-bahan (6 porsi)

• 1 pound jumbo pasta shells
• 6 tablespoons extra virgin olive oil
• 1/2 pound ground spicy Italian chicken sausage
• 3 shallots, thinly sliced
• 3 cloves garlic, finely chopped
• 2 teaspoons dried oregano ((or 1 tbs fresh oregano))
• 2 teaspoons dried thyme leaves ((or 1 tbs fresh thyme))
• 1 pinch crushed red pepper flakes
• 1 (6 ounce) can tomato paste
• 1 (14 ounce) can San Marzano tomatoes (crushed)
• kosher salt and black pepper
• 2 cups chopped greens, such as kale, spinach, or chard
• 1 cup fresh basil, roughly chopped
• zest and juice of 1 lemon ((about 3 tablespoons juice))
• 1 cup whole milk ricotta cheese, whipped in the food processor, if desired