Tonatto sauce, Carol Sanders

1 can (6 oz) light tuna packed in oil, preferably Italian, undrained
2 tbsp capers, rinsed
1 tsp anchovy paste or 1-2 fillets
juice of 1 lemon
1 small clove of garlic
salt & pepper
1/4 c. mayo
1/2 c olive oil
1 tbsp flat parsley

Combine the tuna with its oil, the capers, anchovy paste, lemon juice, garlic, pinch of salt and pepper and the mayo in a mini food processor or blender. Blend for a few seconds to combine. Continue to blend while slowly drizzling in the olive oil. Add the parsley and blend for a few more seconds.