What should i do to gain weight and muscle when while having high metabolism?

Gain weight & muscle: Eat healthy foods that are high in calories. Eat six meals per day. Work on strength training to build your large muscle groups. Work out with heavier weights with fewer repetitions. Sleep at least 8 to 9 hours per night. Hydrate well with water. Snacking when you are trying to gain weight>. Nuts are high in calories, contain protein & are high in monosaturated fat (almonds). We all should aim.

Foods to help with: Healthy weight gain: almonds, cashews, pecans, sunflower seeds, flax seeds, walnuts, hummus, avocados, granola, trail mix, dried fruits, extra virgin olive oil, canola oil, protein shakes, protein bars, lean meats, poultry, fish, smoothies (with added silken tofu or powdered milk), greek yogurt (full –fat), pasta/ bagels ; juice rather than soda. Some people add whey proteins.