Combine the ground beef with the cheddar cheese and jalapeno slices in a large mixing bowl. Season with pepper and salt to taste. Form ¼ pound each burger patties
Over high heat place a grill plate and when hot brush some oil over the surface.
Add the burger patties and cook to desired doneness paying attention as the cheese will melt and stick to the grill. 4 to 5 minutes per side.
On a plate place a small bed of spinach and add the burger on top of it. Add the radishes and limes with avocado to your plate.