Polenta Crostini with Sausage Topping

INGREDIENTS

• 2 cups chicken stock
• 1 cup milk
• 3/4 tsp. salt
• 1 cup slow-cooking polenta
• 2 Tbs. unsalted butter
• 1/3 cup grated Parmigiano-Reggiano cheese
• 2 fresh pork, chicken or turkey sausages,
• about 1/2 lb. total, casings removed
• 2 Tbs. olive oil
• 1/2 small yellow onion, finely chopped
• 2 large garlic cloves, finely chopped
• 1 can (14 oz.) diced plum tomatoes with juice
• 1 small bay leaf
• 1/2 tsp. salt
• 1/4 tsp. freshly ground pepper, plus more,
• to taste
• 1 Tbs. finely chopped fresh basil
• 3 Tbs. unsalted butter, melted