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1
Pat the rib eyes dry and arrange on a broiler pan.
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2
Drizzle both sides with EVOO, then season them with the grill seasoning.
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3
Preheat the broiler to high.
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4
Prepare the chimichurri: Pile the herbs together and finely chop.
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5
Coarsely chop 2 cloves of the garlic, reserving one whole clove.
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6
Add the chopped garlic to the herbs and mill them together, chopping even finer, then transfer to a small bowl.
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7
Add the finely chopped red onions and the lemon zest.
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8
Add the red wine vinegar, a splash of water, and about 1/3 cup of the EVOO and stir to combine.
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9
Fill a sink or large bowl with cold water.
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10
Add the spinach and agitate to release the grit attached to the leaves.
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11
Repeat this process until they are free of sand.
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12
Dry in a salad spinner.
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13
Heat a large nonstick skillet over medium-high heat.
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14
Add 2 tablespoons of the EVOO (twice around the pan), then add the chipotle in adobo, sliced onions, and mushrooms.
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15
If you are using powdered chipotle, add the onions and mushrooms first, then season with the powder.
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16
Cook the mushrooms and onions, stirring frequently, for 10 minutes.
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17
Do not add salt and pepper; the salt will draw liquid out of the mushrooms, slowing the browning process.
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18
Place the steaks under the hot broiler and cook 6 inches from the heat for 6 minutes on side one, 4 minutes on the flip side, for medium rare to medium.
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19
Add 2 minutes for medium to medium well doneness.
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20
Once the steaks are cooked, let them rest for 5 to 10 minutes for the juices to redistribute.
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21
Once the mushrooms are tender, coarsely chop the spinach and add it to the pan in bunches, folding it in until wilted and incorporated fully.
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22
Season the mixture with salt and pepper and remove from the heat.
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23
Toast the bread and rub it with the cut garlic clove.
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24
Place the toasted bread on plates and top each slice with a whole steak.
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25
Top the steaks with a few shakes of Worcestershire and generous spoonfuls of chimichurri.
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26
Serve mountains of smoky mushrooms and spinach alongside the steaks with lemon wedges to squeeze over all.