Melt cooking fat in a skillet over medium heat.
1-2 tbsp. cooking fat
Add the onion, bell pepper, and garlic and cook until fragrant, 4 to 5 minutes.
1 bell pepper, 1 onion, 3 garlic cloves
Pour in the fish stock and bring to a boil.
½ cup fish stock
Add in the tomato sauce, diced tomatoes, basil, oregano, and chili flakes; season to taste with salt and pepper, and give everything a good stir.
2 tomatoes, 2 tbsp. fresh basil, 1 tsp. dried oregano, ½ cup tomato sauce, Sea salt and freshly ground black pepper, ½ tsp. red pepper flakes
Let the sauce simmer for 5 to 8 minutes.
Add the scallops, shrimp, and crab meat; cook for 4 to 5 minutes or until the shrimp redden.
6 oz. sea scallops, 6 oz. shrimp, 6 oz. cooked crab meat
Add the spiralized zucchini and clams; cover and cook until clams open (6 to 8 minutes).
3 to 4 zucchinis, 15 to 20 clams
Serve the pasta topped with fresh basil or parsley.