basic carbohydrate colors colours common crop diet fibre food minerals perennial potato potatoes shooting shoots skin small small potatoes solanum tuberosum spud staple starch starchy texture tuber tuberous variety vegetable vitamins young appetizing background bake baked food birthday cake breakfast brown cake celebration children childrens food chocolate closeup creamy delicious dessert Dinner fastfood fresh funny gourmet homemade isolated meal muffin pastry snack spider sweet tasty teatime unhealthy wheat white