Drizzle ½ tablespoons olive oil over chicken thighs and massage into meat and under the skin. Season the underside of the chicken, under the skin and all over generously with Dan-O's Original and Italian-O seasoning.
Add the diced potatoes and green beans into a 9x13 casserole dish and drizzle the remaining olive oil and Italian dressing on top. Season generously with Dan-O's Original and Italian-O seasoning and toss until combined.
Place the chicken thighs on top and bake at 425 for 45-50 minutes until chicken is fully cooked and veggies are soft. Serve & enjoy!