1-Peel the potatoes and cut them into: Peel the potatoes and cut them into medium-sized cubes. Place the cubes into a mixing bowl and add the olive oil, taco seasoning, oregano, salt, and pepper. Mix everything well.
2-Transfer the potatoes to a large baking: Transfer the potatoes to a large baking sheet and spread them out evenly so they don’t touch. Bake at 400 degrees Fahrenheit for 15 minutes.
3-Meanwhile, add the green beans to the: Meanwhile, add the green beans to the same mixing bowl (no need to wash it). Add the olive oil, garlic, and salt. Stir everything together.
4-Remove the potatoes from the oven and: Remove the potatoes from the oven and add the green beans. Mix everything gently. Now return the baking sheet to the oven and bake for another 20-30 minutes, or until the beans and potatoes are cooked through. Serve.