This easy main dish is the potato lasagna that my kids love. We call it that because it tastes just like lasagna, but with potatoes instead of pasta. And best of all, you get all the lasagna flavor with minimal effort – no layering necessary!
Preheat oven to 400 degrees Fahrenheit. Line a baking sheet with parchment paper and set aside.
Leaving the potatoes unpeeled, slice into even rounds.
In a large bowl, toss potatoes with oil, garlic powder, onion powder, paprika, salt, and pepper.
Spread potatoes in a single layer on the prepared baking sheet. Bake 45 minutes. (Leave the oven on for the last step.)
While the potatoes bake, pour marinara sauce into a large saucepan.
Add oat creamer, garlic, basil, and parsley, stirring to combine.
Cook 15 minutes over medium heat.
When the potatoes are done, transfer to a greased nine x 13-inch baking dish.
Pour prepared sauce over potatoes. Sprinkle cheese on top, if using.
Bake 15 minutes.
For a non-dairy lasagna, omit the mozzarella cheese.