Tomato Risotto

Ingredients

• 2 tablespoons unsalted butter
• 2 tablespoons olive oil
• 1/2 cup minced yellow onion (about 1/4 pound)
• 1 tablespoon minced garlic (about 4 cloves)
• 1 cup Arborio rice
• 2 cups canned Italian tomatoes, pureed with juice
• 1 1/4 cups homemade or canned chicken broth
• Freshly ground black pepper
• 1/3 cup freshly grated Parmesan cheese
• coarse salt (optional)