Champagne Risotto

Name: Champagne Risotto
Ingredients: 1 quart Chicken stock; 3 shallots, minced; 1 clove garlic, minced; 4 tablespoons unsalted butter, divided; 1 tablespoon olive oil; 1.5 cups Carnaroli or Arborio rice; 1 cup Champagne or other sparkling wine; .75 cups grated Parmesan; 2 tablespoons heavy cream; .25 teaspoons freshly ground pepper; sea salt to taste; shaved parmesan cheese (optional garnish); Splash white truffle oil (optional garnish)