Beer and onion braised chicken carbonnade

1. Melt butter in large nonstick skillet over medium-high heat. Sprinkle chicken with salt, pepper, and allspice. Add chicken to skillet and sauté until brown, about 4 minutes per side; transfer to plate.

2. Add onions and 2 teaspoons brown sugar to skillet; sprinkle with salt and pepper. Cover and sauté until deep golden brown, stirring occasionally, about 10 minutes. Mix in bay leaves, mustard, and remaining 1 teaspoon sugar. Add chicken, skin side down, then beer, broth, and 1 teaspoon vinegar. Bring to boil. Reduce heat to medium. Simmer, covered, 10 minutes. Uncover skillet and simmer until chicken is cooked through and sauce thickens, turning chicken occasionally, about 20 minutes. Season with salt and pepper and more vinegar, if desired.