One pan sausage, with summer vegetables & potato

Ingredients

• 2 teaspoons olive oil
• 4 potatoes, halved
• 1/2 teaspoon garlic powder
• 1 teaspoon salt & pepper
• 4/5 sausages, cut into 1-inch thick slices
• 1 large onion, chopped
• 1 yellow bell pepper, diced
• 1 red bell pepper, diced
• 1 large zucchini, diced
• 1 Tablespoon Italian seasoning
• 3 cloves garlic, minced