Ouma Buttermilk Rusks 500g South Africa's favourite rusk. Dip 'n Ouma - great with tea or coffee - The Ouma legend lives on! The Ouma bakery is still baking rusks on the farm Friedenheim, on the outskirts of Molteno. No less than 100 full time staff work around the clock in shifts, ensuring that South Africans will always be able to "Dip 'n Ouma".