INGREDIENTS: 4 tsp extra-virgin olive oil, divided 2 large red bell peppers, diced 2 lbs asparagus, trimmed and cut into 1-inch lengths 2 tsp freshly grated lemon zest 1/2 tsp salt, divided 5 cloves garlic, minced 1 lb raw shrimp, (26-30 per pound), peeled and...