Dissolve yeast, sugar and water in mixer. Add butter, salt and 2 cups flour and mix. Add rosemary and the rest of the flour. Mix 5 minutes. Let rise for 1 hour on counter or 30 minutes in Instant Pot (using the yogurt setting). Split in half and form into loaf shape and place on a cookie sheet. Let rise for 30 minutes on the counter. Then bake at 375 degrees F for 15-20 minutes. Slice and serve with butter.