Beer Marinated Grilled Chicken Thighs

Ingredients (12)

• For the Marinade:
• 2 to 3 chipotle peppers in adobo sauce
• 1 small yellow onion,
• 12 ounces your favorite beer
• 1/4 cup balsamic vinegar
• 1/4 cup apple cider vinegar
• 1/4 cup extra virgin olive oil
• 2 tablespoons maple syrup,
• 1/2 teaspoon salt
• For the Chicken:
• 8 boneless, skinless chicken thighs
• 8 pineapple rings,