Sheet Pan Mojo Chicken and Plantains

Name: Sheet Pan Mojo Chicken and Plantains
Ingredients: 1/4 cup fresh orange juice, plus 1 orange sliced into rounds; 2 tablespoons fresh lime juice (from 1 to 2 limes); 5 cloves garlic (2 smashed, 3 minced); 1/2 jalapeno pepper, seeded; Kosher salt and freshly ground pepper; 1/2 cup plus 2 tablespoons extra-virgin olive oil; 1/2 cup fresh mint, plus more for topping; 1/2 cup fresh parsley, plus more for topping; 8 small skin-on, bone-in chicken thighs (about 3 pounds); 1 teaspoon ground cumin; 1/2 teaspoon dried oregano; 2 green-yellow plantains, peeled and cut into 1 1/2-inch pieces; 1 large red onion, cut through the root into wedges