Tree Nut Free Whole30 Cucumber Avocado Cups
Cool, crisp cucumber rounds filled with bright, chunky guacamole-style avocado — this appetizer is the kind of thing that disappears from a platter before you even sit down. The filling comes together with fresh lime juice, red onion, cilantro, and a whisper of cumin, giving it a layered, vibrant flavor that feels way more impressive than the effort involved. Each cucumber cup acts as a built-in vessel, so there's no cracker, chip, or bread needed — just clean, fresh ingredients from start to finish. For anyone navigating tree nut allergies, this one is genuinely stress-free: every single component is naturally free of nuts and nut-derived oils, with no substitutions required. The optional jalapeño and red pepper flakes let you dial the heat up or down depending on your crowd, making it flexible enough for a weeknight snack or a party spread. Serve them immediately after filling so the cucumber stays snappy and the avocado stays vivid green. A squeeze of extra lime right before eating ties the whole thing together beautifully.
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Learn more →Ingredients
4 servings
For the cups
- 2 large english cucumbers
For the filling
- 2 ripe avocados, halved and pitted
- 2 tbsp fresh lime juice (from about 1 lime)
- 2 tbsp red onion, finely diced
- 1 jalapeño, seeded and finely minced (optional)
- 3 tbsp fresh cilantro, finely chopped
- ¼ tsp ground cumin
- ¼ tsp kosher salt, plus more to taste
- ¼ tsp black pepper
For serving
- ¼ tsp red pepper flakes (optional)
- lime wedges, for serving (optional)
Instructions
- 1
Slice the cucumbers into rounds about 3/4-inch thick. Using a small spoon or melon baller, scoop a shallow well into the center of each round, leaving the bottom intact to form a cup. Arrange the rounds on a serving platter.
- 2
Scoop the avocado flesh into a small mixing bowl. Add the lime juice, red onion, cilantro, cumin, salt, and black pepper. Mash and stir with a fork until the mixture is chunky but cohesive, with no large unbroken pieces of avocado remaining.
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