Short on time? Try Martha’s one-skillet suppers

Preheat oven to 450°. Season chicken with salt. Heat a large, heavy ovenproof skillet (preferably cast iron) over medium-high heat. Swirl in oil. Cook chicken, skin side down, until browned, about 5 minutes. Flip chicken, and push to side of skillet. Add 1 cup stock and 1/2 teaspoon salt. Add potatoes to liquid. Bring to a boil. Add garlic, olives, lemon wedges, and thyme to liquid. Return to a boil.

Transfer skillet to oven. Roast, stirring potatoes halfway through, until potatoes are tender and chicken is cooked through, about 30 minutes.

Return skillet to stove. Mix cornstarch with remaining 1/4 cup stock, and stir into pan. Bring to a boil to thicken sauce. Serve immediately.

Preheat oven to 450°. Season chicken with salt. Heat a large, heavy ovenproof skillet (preferably cast iron) over medium-high heat. Swirl in oil. Cook chicken, skin side down, until browned, about 5 minutes. Flip chicken, and push to side of skillet. Add 1 cup stock and 1/2 teaspoon salt. Add potatoes to liquid. Bring to a boil. Add garlic, olives, lemon wedges, and thyme to liquid. Return to a boil.

Heat broiler. Preheat a large, heavy ovenproof skillet (preferably cast iron) on top rack for 15 minutes. Meanwhile, toss together tomatoes, beans, capers, garlic, 1 tablespoon oil, and 1/2 teaspoon salt in a bowl. Toss shrimp with remaining tablespoon oil and 1/4 teaspoon salt in another bowl.

Remove skillet from oven, and add tomato mixture. Broil until tomatoes are charred and beginning to collapse, about 5 minutes. Remove from oven, and stir in stock, then shrimp.

Broil, stirring halfway through, until shrimp are opaque, about 3 minutes more. Drizzle with oil.

Preheat oven to 425°. Coarsely grind 2 teaspoons salt, 1/2 teaspoon pepper, the fennel seeds, orange zest, and chopped rosemary in a mini chopper or a spice grinder. Rub spice mixture all over pork, and insert rosemary sprig under twine. Transfer to a large, heavy ovenproof skillet (preferably cast iron) or a roasting pan.

Roast pork for 20 minutes. Toss parsnips with oil and ½ teaspoon salt; arrange around pork. Roast for 20 minutes. Stir parsnips. Roast until an instant-read thermometer inserted into the center of pork reaches 140°, about 15 minutes more. Transfer pork and parsnips to platter, and let pork rest for 10 minutes before untying and slicing. (If parsnips are not uniformly golden, return to oven for 5 minutes while pork rests.)

Preheat oven to 400°. Heat a large, heavy ovenproof skillet (preferably cast iron) over medium-high heat. Swirl in oil. Cook chorizo, stirring often, until edges are browned, about 2 minutes. Stir in onion and garlic. Cook until translucent, about 3 minutes.

Stir in rice to coat, then wine. Bring to a boil. Cook until skillet is almost dry. Add stock and water. Bring to a boil.

Transfer skillet to oven. Bake for 10 minutes. Add clams. Bake until clams open and rice absorbs all the liquid, about 10 minutes. Let stand, covered, for 10 minutes before serving.

Make the sage-chile butter: Melt butter in a saucepan over medium heat. Add sage and red pepper flakes. Simmer until sage is crisp, about 3 minutes.

Make the eggs and greens: Heat a large, heavy skillet (preferably cast iron) over high heat.

Swirl in oil. Cook mushrooms with ½ teaspoon salt until golden and tender, 4 to 5 minutes. Reduce heat to medium. Stir in garlic, then greens and water. Cook, stirring, until greens wilt. Add unsalted butter, and stir until melted.

Push greens to make 4 wells. Crack 1 egg into each. Season with salt. Cook for 4 minutes. Let stand until whites are set but yolks are still runny, about 4 minutes. Drizzle with sage-chile butter. Garnish with cheese.