Green Chile Pot Roast With Potatoes

• 2 italian frying peppers
• 2 olive il
• 2 garlic (cloves)
• 2 baking potatoes
• 1 beef brisket
• 1 onion
• 180 ml chicken broth
• 65 gr mild green chiles (chopped)
• 1 gr coriander (ground)