Grilled Flank Steak and Pepper Sandwiches with Chipotle Mayo

INGREDIENTS

12 oz

Flank steak, lean

1 tbsp

Cilantro

3/4 tsp

Oregano, dried

Red onion(s) sliced into 4, small rounds thick

1 tbsp

Chipotle peppers in adobo sauce, canned

2 tbsp

Mayonnaise, light

Pepper(s), large yellow

3/4 tsp

Table salt

Spray(s) cooking spray

1/2 tsp

Cumin, ground

Item(s) light hamburger roll(s) or bun(s), toasted

Small fresh tomato(es) beefsteak or heirloom, cut into 8 slices