Veggie ideas for dinner or lunch?

I notice when I eat wheat or dairy products my stomach aalways hurts. I am trying to stay away from gluten and wheat. and diasy products. and ive always been interested in eating healthy. the problem is im not good with comming up with ways to use or cook veggies. im new to cooking. i love fruit so thats not a problem. what meal ideas can i do without using cheese or wheat products? thankyou:)