Steak dianne

Ingredients

• 30 gram butter, plus 10g extra
• 1 tablespoon olive oil
• 4 hoof fillet or rump steaks (about 150 g each)
• 250 gram punnet cherry tomatoes
• 150 gram packet baby spinach leaves
• Sauce
• 20 gram butter
• 1 small brown onion, finely sliced
• 3 clove garlic, crushed
• 1 tablespoon tomato sauce
• 1 tablespoon worcestershire sauce
• 3/4 cup cream