Spanish Onion and Potato Torta

Ingredients in this Recipe

1 12 inch diameter round loaf rustic bread
1 clove garlic
1 freshly ground pepper, plus more to taste
1 medium Spanish onion, about 12 ounces, sliced into 1/4 inch thick half moons
1 small head frisee, or other chicory lettuce
1 teaspoon salt, plus more to taste
2 teaspoons sherry vinegar
3 medium Yukon gold or other floury potatoes, about 1 pound, sliced into 1/4 inch thick rounds
7 tablespoons olive oil
8 large eggs

See Full Recipe at Martha Stewart