Cheese, Olive and Buttermilk Herb Bread

INGREDIENTS

2 1/4 cups

plain flour

2 tsp

baking powder

1/2 tsp

bicarbonate of soda

1 tsp

salt

1/2 tsp

dry mustard powder

60 g

freshly grated parmesan

60 g

grated cheddar cheese

1/2 cup

green olives, sliced

pieces sundried tomatoes, sliced thinly

1 tsp

salt

1 tsp

freshly ground black pepper

1/4 cup

mixture of spring onion and Italian parsley

2 tsp

thyme leaves or 1 tsp dried thyme

eggs

2 1/2 tbsp

olive oil

1 1/4 cups

buttermilk (or use 1 1/4 cup less 1 Tbsp fresh milk + 1 Tbsp white vinegar or lemon juice. Set aside for 10 minutes before using)

Egg wash (optional) made from 1 egg yolk beaten with 2 tsp water

Extra thyme springs and sea salt, for topping