Question: how long does it take to cook frozen hamburger patties in the oven?
Answer: Grill on a medium-high heat for 18-20 minutes, turning occasionally. Oven cook - From Frozen: Pre-heat the oven at 200°C/400°F/Fan 180°C/Gas Mark 6. Place beef burgers onto a baking tray on the middle shelf. Cook for 25-27 minutes turning occasionally.