Risotto Primavera with grain

1/2 lb thin asparagus , trimmed and cut into 1/2-inch pieces 2 medium carrots , scraped and diced into 1/4-inch pieces 2 large zucchini , diced into 1/4-inch[...]

4 cups vegetable stock 1 red onion , chopped 2 garlic cloves , crushed 2 tablespoons olive oil 2 tablespoons butter 1 cup risotto rice , do not rinse 3[...]