Baked Lemon Butter Chicken

10 pieces of chicken (drumsticks, thighs, or breasts)
1 tablespoon chicken spice mix (or your preferred seasoning)
For the Sauce and Veggies:

½ cup fresh parsley, chopped
1 tablespoon garlic, minced
½ cup red onion, chopped
1 cup chicken stock
1 tablespoon fresh lemon juice
2 teaspoons salt (or to taste)
1 tablespoon smoked paprika
½ teaspoon red pepper flakes
2 tablespoons butter
⅓ cup cream (heavy cream or half and half)
1 cup grated Parmesan cheese
How to Make: