Start by slicing your English cucumber into thin rounds—aim for about 1/4 inch thickness so they're sturdy enough to hold the topping. Pat each slice dry with paper towels (this is actually super important). Wet cucumbers make soggy bites, and nobody wants that. Line them up on a clean cutting board as you go.
Pour the melted butter onto a small plate and brush both sides of each cucumber slice lightly. This sounds extra, but it seals the surface and keeps things crispy instead of mushy. You'll only need a tiny bit—don't drown them.
In a bowl, combine the softened cream cheese, lemon juice, and lemon zest with a fork until smooth and creamy. Mix in your fresh dill, honey, sea salt, and black pepper. The honey adds just a touch of sweetness that balances the lemon and dill perfectly.
Taste your cream cheese mixture and adjust the seasonings—this is the moment to fix it if it needs more dill or lemon. I always taste first because everyone's preference is different. Sometimes I add an extra pinch of salt if the flavors feel flat.
Spoon about 1 teaspoon of the cream cheese mixture onto each cucumber slice, spreading it gently with the back of the spoon. Work quickly so the cream cheese stays spreadable (room temperature is your friend here). Don't overfill or they'll get messy when you pick them up.
Sprinkle the sesame seeds and chopped walnuts on top of each bite, dividing them evenly among all your cucumber dill cream cheese bites. The topping adds both flavor and texture, so distribute them generously. Set these on a serving platter and chill until guests arrive.
Refrigerate for at least 30 minutes before serving so everything sets up and the flavors meld together beautifully. These actually taste better after a couple hours in the fridge—the dill flavor becomes more prominent. Serve straight from the fridge so they stay crisp and cold.