In a large oven-safe skillet, heat the ghee for 1 minute over medium heat.: You should notice the surface of the fat become glossy and thin ripples move across it, a subtle shimmer that signals it is ready. The scent will be faintly buttery or oily depending on your choice, and the pan should be hot enough that a drop of water would sizzle away. This warm fat is the flavor carrier, so heating it evenly matters; if the skillet is not hot enough the garlic will not brown properly. Common mistakes here include overheating until the fat smokes, which will impart bitterness, or not preheating which results in limp, stewed beans rather than blistered ones.
Add the garlic and sauté for 2 minutes until fragrant, stirring to avoid burning.: As soon as the sliced garlic hits the hot fat you will hear a gentle sizzle and begin to smell a nutty, aromatic fragrance after about 30 seconds. Stirring keeps the slices moving so they color evenly, turning lightly golden at the edges. The reason this step matters is that toasted garlic becomes sweet and savory rather than sharp, building a deep foundation for the dish. If the garlic browns too quickly or blackens, remove the pan from heat briefly to cool and reduce the chance of bitterness; burnt garlic will ruin the overall flavor.
Add the green beans and sauté, mixing often, for about 10 minutes, until fork tender. Sprinkle with salt and pepper.: When the green beans go into the skillet you will hear a louder sizzle as they hit the hot fat. Stirring or tossing frequently promotes even contact with the pan, so the beans soften while developing small brown spots. As they cook the aroma deepens, shifting from raw vegetal to green and slightly sweet, and the texture will transition from rigid to tender with a satisfying snap when pierced with a fork. Salting during cooking draws out moisture, concentrating flavor and aiding browning. A common error is overcrowding the pan, which traps steam and yields soggy beans, so use a roomy skillet and cook in batches if needed.
Place an oven rack in the center of the oven and turn the broiler to high.: The broiler delivers intense radiant heat from above, which is essential for blistering and caramelizing surfaces quickly. Positioning the rack in the center lets the beans get an even finish without scorching too fast. Preheating the broiler ensures the moment you place the skillet under it the surface will begin to char and bubble, creating those desirable brown flecks. A frequent oversight is putting the skillet in before the broiler reaches full temperature, which lengthens the time needed and can overcook the beans; always let the broiler heat fully.
Place the skillet into the oven and broil the green beans for 3 to 5 minutes, until slightly crispy and browned, watching to avoid burning.: Under the broiler you will see tiny bubbles form on the beans and hear brief pops as moisture escapes. Visually, the tips and exposed areas will turn golden to deep brown, and the aroma becomes more toasty and complex, almost nutty. This quick blast of heat adds textural contrast, producing crisped edges against tender interiors, and it enhances Maillard flavors for a savory depth. Stay with the oven and watch closely, because broilers vary in intensity and what is perfect for three minutes on one stove may need four or five on another. The common pitfall is walking away and letting the beans char too much, rendering them bitter rather than pleasantly caramelized.