Peel and grate one of the sweet potatoes (should yield about 1 1/2 cups).
Place the second sweet potato on the wire rack of an Instant Pot and add 1 cup of water to the bottom of the bowl. Pressure cook on high for 20-25 minutes followed by manual release of pressure. Peel and mash the sweet potato (should yield about 1 cup mashed). Alternatively, you could peel, cube and boil the sweet potato for 12-15 minutes until soft and then mash.
Cook the bacon and set aside on a paper towel lined plate.
Pre-heat a waffle maker while you mix the waffle batter. Once the waffle maker is pre-heated, add the batter, ensuring it spreads to the edges of the waffle maker. Cook for about 5-7 minutes on a medium setting (I set mine at 4).
Prepare 4 eggs how you like them cooked, then assemble the waffle sandwiches with bacon, arugula, poached eggs, avocado slices and garnishes.