There are many foods that can contribute to weight gain if consumed in high amounts. These include:

• Soda: Soda is high in sugar and calories, and consuming it regularly can lead to weight gain.

• Sugar-sweetened coffee: Similar to soda, coffee drinks that are high in sugar can contribute to weight gain.

• Ice cream: Ice cream is high in calories, sugar, and fat, making it a food that can contribute to weight gain if consumed in large amounts.

• Pizza: Pizza is often high in calories, fat, and sodium, and consuming it regularly can lead to weight gain.

• Cookies and doughnuts: These foods are often high in sugar and calories, and consuming them regularly can contribute to weight gain.

• French fries and potato chips: These foods are often high in calories, fat, and sodium, and consuming them regularly can lead to weight gain.

• Sugary breakfast cereals: Many breakfast cereals are high in sugar and calories, and consuming them regularly can contribute to weight gain.

• Processed foods: Processed foods that are high in calories, fat, added sugar, and salt can contribute to weight gain if consumed in large amounts.

• Fast food: Most fast food items are highly processed and loaded with calories, fat, sodium, and added sugar, making them a food that can contribute to weight gain if consumed regularly.

• Fat-free or low-fat cookies and muffins: These foods are often high in sugar and calories, despite being labeled as "fat-free" or "low-fat".

• Yogurt: Flavored yogurts can be high in sugar, making them a food that can contribute to weight gain if consumed regularly.

• Alcoholic drinks, sweetened iced tea, and sodas: These beverages are high in calories and sugar, and consuming them regularly can lead to weight gain.

• Nuts, avocados, and fatty fish: While these foods are packed with healthy fats like omega-3 and monounsaturated fats, they are also high in calories, making them a food that can contribute to weight gain if consumed in large amounts.

• Condiments: Condiments like sauces, salad dressings, and ketchup can be high in sugar and calories, and consuming them regularly can contribute to weight gain.

Its important to note that many of these foods can still fit into a well-rounded diet, as long as they are consumed in moderation and portion sizes are monitored. Additionally, there are many healthy foods that can help with weight gain, such as whole grains, dried fruit, potatoes, full-fat yogurt, and nuts.