Summer Veggie Stew

Ingredients: 1/2 onion diced up 2 tsp minced garlic 2 TBSP butter 2 cups diced potatoes 2 cups diced carrots 1 14- oz can chicken broth 1 medium zucchini diced 1 cup of diced tomatoes 3-4 cobs of corn cut fresh off the cob 1/2- 1 cup of green beans cut up 1 can...