Ingredients (10)⌄
50g Butter
1 tbs Olive Oil
1 kg Onion
1 tsp Sugar
4 sliced Garlic Clove
2 tbs Plain Flour
250ml Dry White Wine
1L Beef Stock
4 sliced Bread
140g Gruyère
French Onion Soup
Sprinkle in the sugar and cook for 20 mins more, stirring frequently, until caramelised.