Cut and pull out the middle of all 4 sourdough baguettes, leaving 1/2-inch of bread in the bottom and on the sides. Set baguettes aside.
Prepare sausage according to package directions. Cut links into bite-size pieces and set aside.
In a medium bowl, lightly beat together the eggs and the milk.
Whisk in remaining ingredients and sausage.
Evenly divide and pour the mixture into each baguette boat.
Place all 4 baguettes on a baking sheet and bake for 25-28 minutes or until set in the center.
Allow boats to cool for 10 minutes, cut and serve.