Please help!!!! I'm a very picky eater?

So I'm really trying to loose weight but I'm a seriously picky eater.like I won't eat salads cuz I don't like lettuce and like vegetables I eat corn,artichokes, mushrooms But not cooked, green and yellow beans and broccoli. Fruit well I occasionally eat apples. Everything else is like chicken or steak or potatoes and rice. I eat fries and mashed potatoes lots. Rice alot. Lunches I normally have like a half sandwich or beeferoni or KD Or pizza pops or pasta or pizza. For dinners I eat watever my mom makes which is normally chicken or steak with like potatoes or rice and sone sort of vegetable I like and ketchup. I eat alot of ketchup. Also drinks like I drink juice mostly cuz I like that it's a stronger flabour. Please help me to try healthier things or things I like in a healthy way. I rely wana lose weight