Root Beer Baked Beans

Name: Root Beer Baked Beans
Ingredients: 3 bacon slices cut crosswise into 1-inch pieces; 3 cups finely chopped onions; 2 garlic cloves minced; 3 15-ounce cans cannellini or Great Northern beans, rinsed and drained; 1 cup gluten-free artisanal root beer; 3 tablespoons raw apple cider vinegar; 3 tablespoons coconut palm sugar; 2 tablespoons tomato paste; 2 tablespoons Dijon mustard; 1½ teaspoons chili powder; ½ teaspoon smoked paprika; ½ teaspoon ground cinnamon; ¼ teaspoon Sriracha hot sauce or more to taste (optional); 1 teaspoon kosher or fine sea salt; 1 teaspoon freshly ground black pepper; Thinly sliced green onions for garnish