Drain the artichoke bottoms and let them drain well. Wash, drain, quarter and seed the tomatoes. Cut the quarters into cubes. Wash and clean spring onions and cut into rings. Wash basil, shake dry and pluck leaves from stems.
Finely chop the leaves.
Finely puree the artichoke bases. Stir in the tomatoes, spring onions, almonds and basil, except for a little garnish. Season to taste with salt and pepper. Wash lettuce, dab dry and tear coarsely, spread on the rice cakes.
Add the purée and garnish with the remaining basil.