This is not the exact recipe that was in Farmer John's Cookbook, but it's similar.
Kohlrabi Hash Browns
4 medium kohlrabi bulbs, washed, peeled
1 small onion, chopped
2 eggs slightly beaten
2 tablespoons dried bread crumbs
1 teaspoon salt
1/2 teaspoon ground ginger
1/4 teaspoon dried red pepper flakes crushed
1/4 cup olive oil
Shred kohlrabi; squeeze out excess moisture.
Combine all ingredients except oil in a large mixing bowl; stir until well blended.
Heat oil in a large skillet. Fry kohlrabi mixture in batches; sautéing until golden, about 4 minutes per side.
Drain on paper towels.
Serves 4 to 5.