**Ingredients:**
- 1 medium head of lettuce, washed and torn into bite-sized pieces
- 1 cup cherry tomatoes, halved
- 1 medium cucumber, sliced
- 1 red bell pepper, chopped
- 1 green bell pepper, chopped
- 1/2 red onion, thinly sliced
- 1 avocado, peeled, pitted, and sliced
- 1 cup fresh berries (such as strawberries, blueberries, or raspberries)
- Juice of 1 lemon
- 2 tablespoons olive oil
- Salt and pepper to taste
**Instructions:**
1. In a large bowl, combine the lettuce, cherry tomatoes, cucumber, bell peppers, onion, avocado, and berries.
2. In a small bowl, whisk together the lemon juice and olive oil.
3. Pour the dressing over the salad and toss gently to coat.
4. Season with salt and pepper to taste.
5. Serve immediately.
