2 pounds beef (tenderloin, sirloin, london broil, skirt or flank)
4 to 5 cloves garlic, peeled
1 teaspoon whole black peppercorns
1/2 teaspoon cumin
1/4 cup olive oil
2 tablespoons fresh lime juice
Salt and pepper to taste
Slice tenderloin lengthwise, with the grain, into 1/8-inch thick slices.
Place garlic, pepper, cumin, olive oil and lime juice in a molcajete or small food [...]