Preheat the oven to 425°F. Clean and rinse then pat the hens dry with paper towels.
2 whole cornish hen
In a small bowl: combine all the dry seasoning ingredients together and set aside.
1 tsp salt, 1 tsp onion powder, 1 tsp garlic powder, 1 tsp smoke paprika, ½ tsp black pepper
Rub olive oil all over the hens. Then rub the seasoning mixture all over the chicken. Tie the legs together. Tuck the wings behind the hen's back.
2 tbsp olive oil
Place the sliced onions, garlic, lemon, rosemary, thyme in the 9" x 13" roasting pan. Level the vegetables. Then place the whole cornish hens on top of the vegetables.
1 large onion, 5 garlic cloves, 2 rosemary sprigs, 1 lemon, 6 thyme sprigs
Place the uncovered cornish hens in the middle rack of the oven. Bake at 425°F for 50-60 minutes or until internal temperature of the hen reaches to 165°.
Remove the roasting pan and let rest at room temperature for 20 minutes before serving.