Servings: 4

1/2 ripe avocado ½ ripe avocado
 
1 heaped tablespoon canned tuna, salmon or sardines, mashed 1 heaped tablespoon canned tuna, salmon or sardines, mashed
 
1 hard boiled egg yolk 1 hard boiled egg yolk
 
1 slice whole wheat bread or small whole wheat tortilla 1 slice whole wheat bread or small whole wheat tortilla

Mash the avocado, canned fish and egg yolk together.
Spread over half the bread, fold over and cut into squares - or spread over the tortilla then roll up and cut cross-wise into manageable pieces.