Baked meatballs on a bed of vegetables recipe

Baked meatballs on a bed of vegetables Ingredients: For meatballs: 2 cups minced meat 1 onion 2 cloves crushed garlic 1 small grated potato 1 egg 1/2 cup breadcrumbs Salt Pepper For the vegetable bed: 2 lbs potatoes 250 g mushrooms 1 carrot 1 red bell pepper Green parsley 2 tomatoes