SERVES 4
25 MIN
2 tbsp. extra-virgin olive oil1 large shallot, sliced1 Parmesan rind1 tsp. (or more) kosher salt5 sprigs oregano5 sprigs thyme1 tbsp. tomato paste¼ tsp. crushed red pepper flakes¼ tsp. freshly ground black pepper1 (28-oz.) can diced fire-roasted tomatoes3 tbsp. grated Parmesan, plus more for serving2 qt. low-sodium vegetable broth20 oz. fresh or frozen cheese tortellini4 c. baby spinach (about 4 oz.)¼ tsp. finely grated lemon zest½ tsp. fresh lemon juice
1. In a large pot over medium heat, heat oil. Cook shallot, Parmesan rind, and salt, stirring often, until shallot begins to brown, 3 to 5 minutes.
2. Add oregano, thyme, tomato paste, red pepper flakes, and black pepper and cook, stirring constantly, until paste darkens, about 3 minutes.
3. Add roasted tomatoes and cook, stirring occasionally,…
