I came across this unique grilled combo when I was digging in my mom's recipe box. The crisp bacon, hard-boiled eggs and crunchy green onions make these cozy sandwiches look impressive when company drops by for lunch. Best of all, they're a snap to assemble. —Ann Fuemmeler, Glasgow, Missouri
Spread sour cream over 4 bread slices; top with green onions, cheese, eggs, bacon and remaining bread. Spread outsides of sandwiches with butter.
Toast sandwiches until golden brown and cheese is melted, 2-3 minutes per side.