Stuffed Bread

1 onion, chopped
1 red bell pepper, chopped
1 ripe tomato, seeded and chopped
1 large clove garlic, minced
4 tablespoons vegetable oil
Salt, to taste
1/2 teaspoon cumin
1/2 teaspoon dried oregano
1 (1 pound) package frozen bread dough
2 cups Monterey jack cheese
1 egg, beaten (for glaze)

Preheat oven to 375 degrees F. Saut