Drain the artichokes. Coarsely chop the walnuts. Wash sage, pluck off leaves and cut into fine strips. Stir ricotta and oil until smooth. Stir in sage and walnuts. Season to taste with salt and pepper.
Wash, quarter, seed and finely dice the tomato. Fill the artichoke bottoms with the ricotta mixture and sprinkle with diced tomatoes. Serve on lemon slices. Garnish. Delicious with baguette
Drink: dry sherry