Lamb with spinach

For the Red Sauce: 3 tbsp. extra-virgin olive oil 2 garlic cloves, peeled and minced 1 28-oz. can peeled whole san marzano tomatoes, with juice kosher salt[...]

2 T fennel seeds 2 T cumin seeds 2 T coriander seeds 1/2 T fenugreek seeds 1/2 T black peppercorns 1 clove 1/2 cinnamon stick 2 cardamom pods 2 inches fresh[...]