I used 1.5 tsp of yeast instead and it turned out great. I've tried using the recipe's 2.25 tsp of yeast with 3 cups of butter before and my bread always falls, so perhaps my breadmaker differs from everyone elses.
I removed 3 tablespoons of flour and added in 3 tablespoons of gluten. The bread turned out soft and spongy and so delicious! It's similar to the soft breads baked in Taiwanese and Chinese bakeries.
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