Oven 450* to start, finish at 350*
You will need a large cast iron pot with a lid or an enameled cast iron pot with a lid
4 cups all-purpose flour
1 teaspoon salt
1 teaspoon baking soda
1 tablespoon sugar
¼ cup butter
2 cups plain yogurt
Put the butter in the freezer until hard. Mix the flour, salt, baking soda and sugar in a large bowl with your fingers. Take the frozen stick of butter and roll it around in the flour mixture and then using a box grater, grate the butter into the flour. Stir the mixture with your fingers, add the yogurt and mix and then knead until well combined and it holds together. Shape into a ball and cut a cross on the top. Let the loaf of bread rest for 15 minutes. Butter the bottom of the cast iron put the bread in, cover and place in the oven. Bake at 450* for 5 minutes and then reduce heat to 350* for 45 minutes, keep the cover on the pot the entire time.
This is my recipe that I have adjusted from several others and trial and error. Feel free to share, but please give me credit, Thanks!
Happy St. Patrick's Day!