Grilled Teriyaki Burgers, easy, seasonal, summer recipe.

Ingredients

• 12oz ground beef (mince), 350gr, 12.3oz
• 1 tbs olive oil, 13.5gr, .48oz
• 1 rib (stalk) celery - about 1/4 cup, 50gr, 1.8oz
• 1 small onion or shallot - about 1/4 cup, 50gr, 1.8oz
• 1 clove garlic, 4gr, .14oz
• 1/2 tsp ground ginger
• 2 tbs bread crumbs, 14gr, .5oz
• 1 1/2 tbs Teriyaki sauce or Soy sauce, 27gr, 1oz
• 1 tbs ketchup, 15gr, .52oz