Pesto with onion

1/2 lb spiral shaped pasta 1/2 red onion 3 -4 garlic cloves 2 cups crushed tomatoes black pepper 1 bay leaf 1 cup low-fat ricotta cheese 1 1/2 cups low-fat[...]

2 (15 ounce) cans crushed tomatoes 1 (6 ounce) can tomato paste 2 tablespoons garlic , chopped 1/2 cup onion , diced 5 tablespoons olive oil 1 tablespoon[...]