3-4 hard-boiled egg
1 medium purple onion
2 garlic cloves
2 tsp mustard
1 tbsp ground hard cheese
1-2 tbsp mayonnaise
Ground pepper and other spices on your taste
Greens on your taste
8 toasted whole-grain bread slice
Peel onions, garlics, and eggs.
Grate them thinly, and stir all ingredients except a bread and greens.
Spread a mixture on the bread slices, decorate greens, and serve.