Meal 1: Breakfast
Recipe: Mexican Fruit Salad
Ingredients:
- 1 Banana
- 1 Apple
- 0.5 Watermelon
- A pinch of Chili Powder
- A pinch of salt
- Lime juice

Cooking Instructions:
1. Cut Banana, Apple, and Watermelon into even slices.
2. In a large bowl, combine all the sliced fruits.
3. Sprinkle a pinch of chili powder and salt.
4. Squeeze fresh lime juice over it.
5. Mix it well and Serve fresh.

Grocery List:
- Fresh Banana [1]
- Fresh Apple [1]
- Fresh Watermelon [Half]
- Chili Powder [10g]
- Salt [10g]
- Fresh Lime [1]

Nutritional Information:
- Calories per Serving: 250 kcal
- Servings per Recipe: 2 

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Meal 2: Lunch
Recipe: Italian Prawn Biryani
Note: Prawn Biryani is traditionally an Indian dish. However, for the purpose of integrating Italian cuisine, we will use Italian rice (Arborio) and some Italian herbs.

Ingredients:
- 1 cup Arborio Rice
- 200g Prawn
- 1 Onion
- 2 cloves of Garlic
- 1 tsp Italian Herbs
- 2 tbsp Olive Oil
- Salt and Pepper to taste

Cooking Instructions:
1. Heat olive oil in a pan and saute onions and garlic until golden brown.
2. Add Italian herbs, salt, and pepper.
3. Now add prawns and cook it until it's half-cooked.
4. Add the rice and some water, then cover the pan and let it simmer until rice is fully cooked.
5. Serve hot, garnished with some fresh herbs.

Grocery List:
- Arborio Rice [1 cup]
- Fresh Prawns [200g]
- Onions [1]
- Garlic [2 cloves]
- Italian Herbs [10g]
- Olive Oil [50ml]
- Salt [20g]
- Pepper [20g]

Nutritional Information:
- Calories per Serving: 500 kcal
- Servings per Recipe: 2 

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Meal 3: Dinner
Recipe: Buttermilk Fried Chicken with Chicken Mac
Ingredients:
- 500g Chicken pieces
- 1 cup Buttermilk
- 200g Macaroni
- 100g Cheddar Cheese
- Salt and Pepper to taste
- 2 cups vegetable oil for frying
- 1 cup Flour

Cooking Instructions:
1. Marinate chicken pieces in buttermilk, salt, and pepper for at least 2 hours.
2. Dredge each piece in flour and fry in vegetable oil until it's golden brown.
3. Meanwhile, cook macaroni in a separate pan. Then, drain it and mix with cheddar cheese, salt, and pepper.
4. Serve the fried chicken hot with cheesy chicken mac.

Grocery List:
- Fresh Chicken pieces [500g]
- Buttermilk [1 cup]
- Macaroni [200g]
- Cheddar Cheese [100g]
- Salt [40g]
- Pepper [40g]
- Vegetable Oil [500ml]
- Flour [200g]
 
Nutritional Information:
- Calories per Serving: 1200 kcal
- Servings per Recipe: 2

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Meal 4: Snacks
Recipe: Mexican Almond Agua Fresca
Ingredients:
- 1 cup Almond Milk
- 2 tbsp Sugar
- 1 cup Water
- A pinch of Cinnamon

Cooking Instructions:
1. In a blender, blend almond milk, sugar, water, and cinnamon until it's smooth.
2. Serve it chilled over ice.

Grocery List:
- Almond Milk [1 cup]
- Sugar [50g]
- Cinnamon [5g]

Nutritional Information:
- Calories per Serving: 150 kcal
- Servings per Recipe: 1

Please always remember that these are approximate values and actual calories may differ based on the cooking method and portion size. Enjoy your meals!