12 portobello steak mushrooms

1 red pepper, diced

1 yellow pepper, diced

1 onion, diced

2 tablespoons oil

8 Pesach crackers, such as Gefen Shehakol Matzo Crackers, crushed

1 teaspoon salt

1 teaspoon Gefen Onion Powder

2 teaspoons Gefen Ketchup

scallions, sliced, for garnish