Pot Roast

Ingredients

• 4 lbs (1.8 kg). beef rump roast
• 2 cups (475 ml) sliced yellow onions
• 2 cloves garlic, chopped
• 1/2 tsp (2 ml).dried thyme
• 1/4 tsp (1 ml). dried marjoram
• 8 oz (224 grm). canned crushed tomatoes
• 2 cups (475 ml) beef stock
• 3 tbsp (45 ml). olive oil
• salt and pepper, to taste