Peel your potatoes and cut them into wedges. Peel the carrots and cut them into chunks. Combine in a large bowl and toss with the olive oil, vegetable oil, lemon juice, oregano, salt and pepper.
6 large potatoes, 2 large carrots, ¾ cup olive oil, ¾ cup vegetable oil, ½ cup lemon juice, 1 tbsp dry Greek oregano, 1 tsp salt, ½ tsp black pepper