Certainly. Here's a recipe for "Italian Watermelon Panzanella" for your breakfast which incorporates your primary ingredient, watermelon.

**Recipe: Italian Watermelon Panzanella**

**Ingredients:**

1. Half of a medium-sized watermelon, cubed
2. 3 cups of rustic Italian bread, torn into bite-sized pieces
3. 1 cup of ripe tomatoes, chopped
4. Half cup of fresh basil leaves, chopped
5. Half cup of fresh mint leaves, chopped
6. Half of red onion, thinly sliced
7. 1/4 cup of olive oil
8. 2 tablespoons of red wine vinegar
9. Salt, to taste
10. Freshly ground black pepper, to taste
11. Half cup of feta cheese, crumbled 

**Instructions:**

1. Preheat your oven at 375°F (190°C). Spread the torn bread on a baking tray and toast for about 10 to 15 minutes until it becomes crispy. Allow it to cool.

2. In a large serving bowl, combine watermelon, tomatoes, red onion, chopped mint, and basil.

3. Prepare the dressing in a separate smaller bowl. Whisk together the olive oil, red wine vinegar, salt, and freshly ground black pepper.

4. Pour the dressing over the watermelon and tomato mixture, stirring gently to mix well.

5. Add the toasted bread and toss again gently, ensuring all ingredients are well coated in the dressing.

6. Allow it to sit for about 15 to 20 minutes for the flavors to meld together.

7. Before serving, top with the crumbled feta cheese. 

**Grocery List:**

1. Watermelon - 1 medium size
2. Rustic Italian bread - 1 loaf
3. Ripe tomatoes - 1 cup
4. Fresh basil leaves - 1 bunch
5. Fresh mint leaves - 1 bunch
6. Red Onion - 1 
7. Olive oil - 1/4 cup 
8. Red wine vinegar - 2 tablespoons
9. Salt - to taste 
10. Freshly ground black pepper - to taste 
11. Feta cheese - 1/2 cup 

**Nutritional Information:**

- Servings per Recipe: 4 servings
- Calories per Serving: Approximately 313 calories per serving. Please note this might vary slightly depending on the exact brands/products used.

Please note that this is a fresh and hearty salad that is best served immediately. Enjoy your Italian-inspired breakfast.