Hearts of Palm Risotto

INGREDIENTS

• 1 tablespoon butter
• 1 tablespoon olive oil
• 1/2 cup finely chopped onion
• 2/3 cup Arborio rice
• 1/4 cup dry white wine
• 3 cups boiling vegetable broth
• 1/2 cup sliced hearts of palm
• 1/4 cup grated Parmesan cheese
• salt and pepper to taste
• 1 tablespoon chopped fresh parsley