#### **Step 1: Prepare the Cucumber**
Thinly slice the cucumber using a sharp knife or mandoline.
Sprinkle lightly with salt and let sit for **5 minutes** to remove excess moisture.
Pat dry with a paper towel.
#### **Step 2: Make the Cream Cheese Spread**
In a bowl, mix cream cheese, mayonnaise, lemon juice, dill, garlic powder, and onion powder until smooth.
#### **Step 3: Assemble the Sandwiches**
Spread a thin layer of cream cheese mixture on each slice of bread.
Arrange cucumber slices evenly over half of the slices.
Top with the remaining bread slices and gently press down.
#### **Step 4: Trim & Serve**
Cut off crusts for a traditional tea sandwich look.
Slice into triangles or rectangles.
Serve immediately or refrigerate for up to **2 hours** before serving.