Nuts

Milk and its products, such as cheese and yogurt, are nutrient-rich foods that provide important nutrients including protein, calcium, and healthy fats.

Here is a list of nutrient-rich foods that can support healthy weight gain:

• Milk Products
• Selfmade Protein Shakes
• Nuts
• Red meats
• Dark Chocolate
• Olive Oil
• Whole Grain Bread
• Avocados
• Starchy Foods
• Rice

Whole Grain Breads are a good carbohydrates source.

Rice is a calorie-dense food that can be a versatile side dish in many cuisines. It provides a significant amount of energy in the form of carbohydrates, making it a staple food in many cultures.

Olive oil is calorie-dense and rich in essential fatty acids, antioxidants, and beneficial compounds. It's linked to various health benefits, including improved heart health, reduced inflammation, and a healthy gut microbiome

Red meats like pork or beef are rich in protein and leucine.

Avocados are a superfood with healthy fats, fiber, vitamins, and minerals. 

Starchy foods like potatoes, corn, oats, and buckwheat are rich sources of carbohydrates.

Protein shakes are especially good if you are working out. Consider making your own smoothies as store bought often contain added sugars.