Gradual weight gain is better for your body than rapid weight gain. Eating 500 calories more can increase your body weight by one pound per week.
Calorie snacks include cheese, trail mix, granola and milk or chocolate milk. Fruits that are high in calories include avocados, figs, dates and coconut.
You can have a banana with a cup of milk and some nuts for breakfast or make a smoothie with the same ingredients and consume it before working out.
Dried fruits like dried coconut and raisins are rich in calories, carbohydrates. Consume a handful of dried fruits as a pre- or post-workout snack or add them to a breakfast bowl.
Pasta can also help you gain weight. Add red or white sauce, some vegetables and Italian herbs and you are ready for breakfast.
Dark chocolate is a sour-sweet dish with high calories. Dark chocolate can be added to a homemade protein shake, a peanut butter sandwich, a glass of milk or a biscuit sandwich.