Step #2 Arrange waffles in single layer on baking sheet.
Step #3 Bake until crisp, about 10-mins per side.
Step #4 Brown sausage in non-stick skillet over med-heat/flame, breaking it apart with spoon, 8-10 mins.
Step #5 Drain on paper towel-lined plate.
Step #6 Butter 8-inch square baking dish.
Step #7 Add half of waffles in single layer.
Step #8 (It's ok to break some to fit into corners if needed).
Step #9 Add half of sausage & 1/2 c cheese.
Step #10 Repeat layering of waffles, sausage, & 1/2 c of cheese.
Step #11 Whisk eggs, maple syrup, milk, salt, & pepper in medium bowl until mixd.
Step #12 Pour egg mixture evenly over casserole.
Step #13 Cover up with plastic wrap & place weights on top.
Step #14 (you can put another square baking dish on top & then weight with heavy canned goods or place a couple one lb boxes of sugar on the plastic wrap & top this with a cast-iron pan.
Step #15 ).
Step #16 Refrigerate for at least 1 hr or overnight.
Step #17 Adjust oven rack to middle position & heat oven to 325°.
Step #18 Let casserole stand at about room temp for 20 mins.
Step #19 Uncover casserole & sprinkle remaining 1/2 c cheese over top.
Step #20 Bake until edges & center are puffed, 45 to 50 mins.