1 TBSP olive oil
4 TBSP butter
1 small sweet onion, diced (about 1 ¼ to 1 ½ cups)
15-ounce can diced tomatoes
5 ounces fresh baby spinach (about half a bag)
Salt and pepper, to taste
3 garlic cloves, minced or grated
1 cup half and half
1 lb. raw shrimp, peeled and deveined (any size you like)
4 skinless salmon fillets