Bread and cereals supply energy from complex carbs like starches and fiber
Pasta, another carb-rich food, makes a great dinner basis. Add sauce and you're done.
Dried fruit provides rapid calories. They are smaller than fresh ones, so you may eat more without feeling full.
You may easily boost calories by adding fat, but pick healthy fats and oils.
Avocados are monounsaturated. potassium, fiber, and vitamin K. Avocados increase calories without compromising nutrients
Polyunsaturated fats in nuts and seeds provide nutritious calories. Brazil nuts, almonds, walnuts, pecans