Brown bacon in non-stick skillet over medium-high heat. Drain crisp bacon on paper towels.
In a mixing bowl, combine cream cheese, mayo, Dijon, Swiss cheese and green onions, Add bacon and stir to combine.
Transfer to a small shallow baking dish and bake until golden brown and bubbly around the edges - about 16-20 minutes.
Serve with crackers, baguette slices or bagel chips.
Makes about 8 servings.