Roasted veggie baked ziti

1 red bell pepper, cut into strips
1 medium onion, sliced
2 medium zucchini, diced
salt, pepper, and olive oil
1/2 cup peas, thawed if frozen
1 pound gluten free brown rice ziti or penne
2-3 cups spicy marinara sauce
1 cup shredded mozzarella cheese
1/2 shredded cheddar cheese
2 T. butter, diced

Mix the pepper, onion, and zucchini with oil, salt, and pepper. Roast at 450 degrees F. for 15 minutes. Cook pasta according to package directions. Mix together the roasted vegetables, peas, pasta, sauce, and mozzarella cheese. Place into a 9 x 13 pan. Top with cheddar cheese and butter. Bake for 25 minutes, until cheese is golden.

Adapted from Giada De Laurentiis