Thin cucumber slices are seasoned with ranch flavor and slowly baked until crisp and crunchy. They make a light, savory snack that’s perfect when you want something salty and crunchy without traditional potato chips.
Recipe Details
Prep time: 15 minutes
Drying time: 10–15 minutes
Bake time: 2–3 hours
Total time: About 2½–3½ hours
Servings: 4
Oven: 200°F (95°C)
Ingredients
Cucumber Chips
2 large English cucumbers
1 tablespoon olive oil
1½ teaspoons dried ranch seasoning
½ teaspoon garlic powder
½ teaspoon onion powder
¼ teaspoon dried dill
¼ teaspoon black pepper
⅛ teaspoon salt, or to taste
¼ teaspoon paprika, optional
Optional Ranch Finish
1 tablespoon finely chopped fresh dill
1 tablespoon grated Parmesan, optional
Pinch of ranch seasoning
Instructions
- Preheat the oven
Preheat your oven to 200°F (95°C).
Line 2 large baking sheets with parchment paper. For even better airflow, you can place a wire rack over each baking sheet and arrange the cucumber slices on the racks.
- Slice the cucumbers
Wash and thoroughly dry the cucumbers.
Using a mandoline slicer or a very sharp knife, cut them into very thin slices, about ⅛ inch (3 mm) thick.
Consistent slices are important because thicker pieces will take much longer to become crisp.
- Remove excess moisture
Arrange the cucumber slices in a single layer on paper towels.
Lightly sprinkle them with a small amount of salt and let them sit for 10–15 minutes.
Pat the tops very dry with additional paper towels.
This step helps remove excess water and improves crispiness.
- Season
Place the dried cucumber slices in a bowl.
Add olive oil, ranch seasoning, garlic powder, onion powder, dill, black pepper, and optional paprika.
Toss very gently until the slices are lightly coated.
Avoid using too much oil because excess oil can make the chips less crisp.
- Arrange on the baking sheets
Place the cucumber slices in a single layer, making sure they don’t overlap.
For the crispiest result, leave a little space between the slices.
- Bake slowly
Bake for 1 hour.
Remove the baking sheets and carefully flip the cucumber slices.
Continue baking for another 60–90 minutes, checking every 20–30 minutes toward the end.
Some smaller slices may become crisp before others, so remove them as they finish.
- Cool completely
When the chips are golden around the edges and feel dry, remove them from the oven.
Let them cool completely on the baking sheet.
Important: They often become noticeably crispier as they cool.
- Add the finishing touch
Once completely cool, sprinkle with a tiny amount of ranch seasoning or fresh dill.
If using Parmesan, add it after baking rather than before for the best flavor and texture.
Tips for Extra-Crispy Cucumber Chips
English cucumbers work particularly well because they have fewer seeds.
Slice as thinly and evenly as possible.
Don’t skip the drying step.
Don’t overcrowd the baking sheet.
Use only a light coating of oil.
A wire rack allows air to circulate underneath the slices.
Keep the oven temperature low. High heat can brown the edges before the moisture has evaporated.
If the chips aren’t crisp after 2½ hours, continue baking in 15–20 minute increments.
Let them cool completely before deciding whether they’re crisp enough.
Flavor Variations
Spicy Ranch
Add ¼–½ teaspoon cayenne pepper or chili powder.
Garlic Parmesan Ranch
Add Parmesan and a little extra garlic powder after baking.
Dill Pickle Ranch
Add ¼ teaspoon dill pickle seasoning or a small pinch of pickle powder.
Smoky Ranch
Add ¼ teaspoon smoked paprika.
Lemon Herb
Add a little lemon zest and extra dried dill after baking.
All Nut & Allergen Information
Peanuts
None in the recipe as written.
Tree Nuts
None in the recipe as written.
Dairy
This depends on the ranch seasoning.
Many commercial ranch seasoning mixes contain milk or buttermilk. Parmesan, if used, also contains milk.
For a dairy-free version, use a verified dairy-free ranch seasoning and omit Parmesan.
Eggs
The basic recipe contains no eggs. Some ranch seasoning blends or ranch-flavored products can vary, so check the label.
Wheat/Gluten
Cucumbers, olive oil, and the basic spices are naturally gluten-free. However, packaged ranch seasoning can vary.
For strict gluten-free preparation, use a certified gluten-free ranch seasoning.
Soy
Check the ranch seasoning label because some processed seasoning mixes can contain soy or have soy cross-contact.
Sesame
No sesame is intentionally added.
Mustard
Some ranch seasoning blends may contain mustard or mustard-derived ingredients. Check the package if you have a mustard allergy.
Nut-Free Status
Naturally peanut- and tree-nut-free as written, provided the ranch seasoning and other packaged ingredients are verified and there is no cross-contact.
Approximate Nutrition
Per serving, based on 4 servings and without optional Parmesan:
Calories: ~60–75 kcal
Protein: ~2 g
Carbohydrates: ~7–9 g
Fat: ~3–4 g
Fiber: ~1–2 g
Sugar: ~4–5 g
Sodium: varies significantly depending on ranch seasoning
Nutrition is approximate. Cucumber moisture loss and the amount of seasoning/oil used can significantly affect the final numbers.
Recipe Q&A
Why aren’t my cucumber chips crispy?
Cucumbers contain a lot of water. If the slices are too thick, crowded, or insufficiently dried, they may remain chewy. Slice them thinly, pat them very dry, and bake slowly.
Can I use regular cucumbers?
Yes. English cucumbers are convenient, but regular cucumbers work too. Remove excess seeds if they’re particularly watery.
Can I use a dehydrator?
Yes. Arrange the slices in a single layer and dehydrate according to your dehydrator’s instructions, generally around 125–135°F (52–57°C) until crisp.
Can I make these in an air fryer?
Yes, but work in small batches. Use a low temperature if your air fryer allows it and check frequently because thin cucumber slices can burn quickly.
Can I use ranch dressing instead of ranch seasoning?
It’s not recommended. Liquid ranch dressing adds too much moisture and makes crisping difficult.
Can I make homemade ranch seasoning?
Yes. Combine dried dill, parsley, garlic powder, onion powder, black pepper, and salt. For a creamy ranch flavor, add a little powdered buttermilk if desired.
Do I have to salt the cucumbers first?
It isn’t absolutely required, but salting and patting them dry helps draw out moisture and improves crispiness.
Can I skip the olive oil?
Yes. The chips can be made with little or no oil, although a small amount helps the seasoning adhere and adds flavor.
Can I use avocado oil?
Yes. Use a small amount just as you would olive oil.
Can I make them without dairy?
Yes. Choose a dairy-free ranch seasoning and skip the Parmesan.
Are cucumber chips keto-friendly?
They can fit into a low-carb or keto-style eating pattern because cucumbers are relatively low in carbohydrates. The exact carbohydrate amount depends on the cucumber size and seasoning.
How should I store cucumber chips?
Once completely cool, store them in an airtight container at room temperature.
Why did they become soft after storing?
Cucumber chips readily absorb moisture from the air. Make sure they’re completely cool before storing and use an airtight container.
If they soften, place them back in a low oven for 10–20 minutes and let them cool completely again.
Can I freeze them?
Freezing isn’t recommended because the texture can become soft and chewy after thawing.
How long do they stay crispy?
They’re best eaten the same day, but they can remain crisp for a couple of days if completely dehydrated and stored in an airtight container.
Can I add cheese before baking?
Yes, but Parmesan can brown quickly. For the best texture, add a small amount after the chips are baked.
Can I use other seasonings?
Absolutely. Try garlic Parmesan, chili-lime, dill pickle, smoky BBQ, or Italian herbs.
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