Vegetable Fajitas

onion, sliced

peppers (any color), seeded and cut into strips

garlic clove, crushed

mushroom caps, sliced

vegetable oil

chili powder

Salt and freshly ground black pepper

flour tortillas, warmed

Garnish: cilantro, lime, sour cream, guacamole (recipe follows)

avocado

shallot, roughly chopped

green chile, seeded and roughly chopped

Juice of 1 lime