Drain the canned tuna in a colander until all the water is out and the tuna is as dry as possible.
While the canned tuna is draining dice up the onion, jalapeno, and cilantro. If cilantro isn't fot you then you can use flat-leaf parsley.
Add the onion, jalapeno, cilantro, almond flour, and plain greek yogurt to the bowl with the canned tuna fish. Mix to combine.
Add in the eggs, freshly squeezed lemon juice, salt, and pepper, and stir until all the ingredients are combined.
Using about ⅓ cup of mixture per patty shape into 6-8 patties. Stack patties on a plate or baking sheet.
Heat extra virgin olive oil in a large skillet over medium heat, fry patties for about 5 minutes per side or until golden brown and crispy.