Venison Medallions and Parmesan Mashed Potatoes

Ingredients

• 600g floury potatoes 600 g?
• 20g butter 20 g$1.06/100g
• 50ml skim milk 50 ml?
• Salt and pepper ?
• 10g parmesan cheese 10 g$4.80/100g
• 1 pack 400g venison medallions at room temperature - see tip 1 pack?
• 1 teaspoon dried thyme 1 teaspoon$9.27/100g
• 1 small red onion 1 small$0.61/100g
• Dash olive oil $2.00/100ml