Sure, here is your detailed meal plan:

**Breakfast** (239.6 Calories) 
- Banana, 1 large (121 cal)
- Corn Flakes, 1 cup (118.6 cal)

**Lunch** (988.4 Calories)
- Potato, 2 medium size (320 cal)
- Butter, 1 tbsp (102 cal)
- Salmon, 4 oz (366 cal)
- Coke Zero, 1 can (0 cal)
- Add mixed vegetables (200 cal) to reach required calorie intake

**Dinner** (988.4 Calories)
- Buttermilk Fried Chicken, 2 pieces (754.8 cal)
- Add mixed vegetables (170 cal)
- Add small portion of mashed potato to reach (63.6 cal) the required calorie intake

**Snacks** (209.6 Calories)
- Doritos, 1 small bag (150 cal)
- Watermelon, 1 cup (59.6 cal)

**Grand Total**: 2994.8 Calories

**Overall Macronutrients**: Around 1489.9 calories from carbohydrates (50%), 748.7 calories from protein (25%), and 756.2 calories from fat (25%)

**Grocery List**:
1. Large Bananas
2. Corn Flakes
3. Medium Size Potatoes
4. Butter
5. Salmon
6. Coke Zero
7. Mixed Vegetables
8. Buttermilk Fried Chicken
9. Doritos
10. Watermelon

Note: Adjust portions as needed. If you find that you're still slightly under or over your calorie targets, add or subtract a small amount of a food item. Check the package for specific calorie information.