Cod with Pesto Ravioli and Sauce

Name: Cod with Pesto Ravioli and Sauce
Ingredients: 4 slices cod; 4 tbsp butter; salt and pepper; 140 gram cassava flour; 50 gram almond flour; 120 ml water; 1 tsp carrot powder to color (optional); 2 pinches salt; 1 egg; ½ tbsp coconut oil; 2 tbsp butter; 80 gram pine nut roasted; 60 gram pistachio roasted; 3 cloves garlic minced; 80 ml olive oil; 60 gram Parmigiano Reggiano (parmesan cheese grated); 40 gram fresh basil leaves; ½ tsp salt; ½ tsp black pepper freshly ground; 280 ml almond cream; 1 tbsp water; 1 tsp tapioca flour; 60 gram Parmigiano Reggiano (grated); 4 fresh basil leaves