Crispy Oven Fries

These are just the thing to brighten up your day! Crispy Oven Fries are tender on the inside, crunchy on the outside, and perfectly comforting. They go great with or without ketchup, and are so easy, you almost can’t not make them! Best of all, you can use whatever vegetables you still have lying around your house (although root vegetables do work best)!

Overhead view of crispy oven fries

Ingredients, tips, and substitutions

Sweet Potatoes, White Potatoes, and Carrots

These vegetables are interchangeable, and customizable to what you’ve got! Use root vegetables for the best result, but other vegetables can be used, too. I’m thinking green beans, snap peas, and even broccoli florets would make great fries!

I like to leave the skin on. It provides some textural interest and additional nutrition. The skins contain more fiber than the flesh alone, along with added phytonutrients, vitamins, and minerals (1).

If you prefer to peel them, go for it! I recommend saving the peels for either homemade vegetable broth, or my zero-waste vegetable skin crisps!

Corn Starch

While not particularly high in nutrition, corn starch is the secret to these crispy oven fries! It absorbs extra water, allowing for a crispier fry without burning. If you don’t have any, it’s fine to leave it out. Just know your fries won’t be as crispy.

Olive Oil

I use olive oil as a good all purpose oil. It’s high in monounsaturated fats (heart healthy!), and tastes great. Use what you have – grape seed, canola, and peanut oils are all good alternatives.

Garlic Powder

Who doesn’t love garlic? Okay maybe some of you don’t. Use what seasonings you love. Go low on salt though. You can always add a bit of salt after baking if you feel like it’s needed. Use extra herbs and spices instead of salt when you can! You not only reap the benefits of using less salt, but you get a whole lot of added antioxidants in herbs and spices!

Close up of crispy oven fries

How to make Crispy Oven Fries

Start by scrubbing your veggies with water and a scrub brush to remove any residual dirt.

Slice the vegetables into sticks about 1/4 inch thick and 3-5 inches long. The thicker your sticks are, the longer they will take to bake.

Now toss the vegetable sticks with corn starch, making sure to coat all sides evenly. Toss with oil and seasonings, and bake at 400 degrees for about 30-45 minutes. You’ll want to make sure to turn them over about halfway through the cooking time. That will ensure all sides crisp up the same.


Pinterest graphic for crispy oven fries.

If you make these Crispy Oven Fries, be sure to let me know in the comments!

Crispy Oven Fries

This recipe uses a trio of sweet potatoes, potatoes, and carrots for a unique and healthy take on classic French Fries!

Course Side Dish
Cuisine American
Prep Time 5 minutes
Cook Time 45 minutes
Total Time 50 minutes
Servings 4
Calories 107 kcal
Author Laura Yautz


  • 1 Large Sweet Potato
  • 2 Medium White Potatoes
  • 2 Large Carrots
  • 4 tsp Corn Starch
  • 4 tsp Olive Oil
  • 2 tsp Garlic Powder (or to taste)


  1. Preheat oven to 400 degrees.
  2. Cut the sweet potato, potatoes, and carrots into sticks, about 1/4 inch wide and 3-5 inches long. Place on a lined baking sheet.
  3. Toss the vegetable sticks with corn starch to coat. Now toss with olive oil and garlic powder, or seasonings of choice.
  4. Bake in 400 degree oven for 30-45 minutes, until browned and crispy, tossing about halfway through cooking.

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