"For many years on Christmas Eve, a dear friend would bring these hearty snacks to share with us and our six children. Now our grandchildren nibble on these treats as the adults reminisce about past holidays. - Lucille Metcalfe, Barrie, Ontario."
Using a biscuit cutter, cut 2-1/2-in. circles from bread slices. Spread butter over one side of each circle. Press circles, buttered side down, into ungreased miniature muffin cups. In a bowl, combine the remaining ingredients; mix well. Spoon into bread cups. Bake at 350 degrees F for 35 minutes or until golden brown.
You can keep a batch of Mushroom Burger Cups on hand for easy entertaining. After baking them, cook, then freeze in an airtight container for up to 3 months. Reheat frozen cups on a baking sheet at 350 degrees F for 20 minutes or until heated through.