As a professional nutritionist, I am delighted to assist you in creating a delicious and nutritious Italian snack recipe featuring lemon juice as the primary ingredient. Below, you will find the detailed recipe, grocery list, and nutritional information for your reference.

**Recipe: Lemon Cucumber Bruschetta**

**Ingredients:**
- 1 medium cucumber, diced
- 1 lemon, juiced
- 2 tablespoons olive oil
- 1/4 cup fresh basil, chopped
- Salt and pepper to taste
- 1 French baguette, sliced and toasted

**Instructions:**
1. In a mixing bowl, combine diced cucumber, lemon juice, olive oil, fresh basil, salt, and pepper. Mix well to combine.
2. Allow the mixture to marinate for at least 30 minutes in the refrigerator to enhance the flavors.
3. Once ready to serve, spoon the cucumber mixture onto the toasted baguette slices.
4. Garnish with additional basil leaves if desired.
5. Enjoy this refreshing and tangy Lemon Cucumber Bruschetta as a perfect Italian snack!

**Grocery List:**
- 1 medium cucumber
- 1 lemon
- Olive oil
- Fresh basil
- Salt
- Pepper
- 1 French baguette

**Nutritional Information:**
- **Calories per Serving:** Approximately 80 calories per serving
- **Servings per Recipe:** This recipe yields approximately 4 servings

I hope this Lemon Cucumber Bruschetta recipe meets your requirements and satisfies your taste buds. Should you have any further queries or require additional assistance, please do not hesitate to reach out. Thank you for entrusting me with the task of creating this snack recipe for you.