Prepare the ingredients for making avocado and tuna pasta for sandwiches.
Put the tuna from a tin into a bowl, drain the liquid.
Mash the tuna with a fork, removing the bones.
Cut the avocado into two halves, take out the pulp with a spoon, put it on the tuna.
Mash the avocado with a fork until smooth, leaving small pieces if desired. (If you like a more uniform texture, you can grind the ingredients in the blender).
Chop the garlic.
Add the garlic to a bowl and stir.
Season with salt and pepper the avocado and tuna paste, add lemon juice, stir. Cover the bowl with a lid, leave it in the refrigerator for 1-2 hours.
Serve the avocado and tuna pasta with fresh bread, toast, crispbread, or crackers. Tasty to complement the sandwich with herbs.