Whisk together lemon juice, lemon zest, rosemary, thyme, parsley, and minced garlic in a large bowl until fragrant. Add olive oil, honey, salt, pepper, smoked paprika, and cayenne pepper, stirring until the honey dissolves completely. This base holds all your flavor—I always taste the marinade before chicken touches it because seasoning at this stage saves you at the table.
Pat the chicken thighs dry with paper towels, then place them skin-side up in a gallon-sized bag or shallow dish. Pour the marinade over the chicken, rotating each piece to ensure the herb mixture coats both sides and gets under any skin edges. Let this sit for at least two hours in the refrigerator, though overnight transforms the chicken into something near-magical.
Remove the chicken from the refrigerator thirty minutes before grilling—cold meat will cook unevenly, and you'll end up with burnt skin and undercooked meat. This small step prevents the panic of watching the grill spike to dangerous temperatures. Meanwhile, fire up your grill to medium-high heat and oil the grates with a towel dipped in oil because raw chicken sticks like it has a personal vendetta.
Place the lemon herb grilled chicken crowd recipe skin-side down on the grill and resist the urge to flip constantly. Let each thigh sit undisturbed for six to seven minutes until the skin releases naturally and turns golden and mostly opaque. I confess I flip too early every single time out of impatience, so set a phone timer and actually wait—your patience pays off.
Flip the chicken and move it to a cooler zone of the grill (medium heat if you have two burners, or move to the edge). Continue cooking for another twenty to twenty-five minutes, checking the thickest part of the thigh reaches 165°F with an instant-read thermometer. The reason you move it here is simple: skin-side down creates enough char and color that finishing on lower heat prevents charring before the interior cooks through.
Transfer finished chicken to a clean plate and tent loosely with foil for five minutes—this redistributes juices instead of letting them run onto the cutting board and away from every bite. I learned this lesson the hard way at Sandra's family barbecue when I cut into chicken too fast and watched months of technique pour onto the platter. Those five minutes matter more than you'd think.
Garnish with fresh lemon slices and any remaining herbs from your prep bowl before serving hot. The visual impact of citrus on the plate signals to your guests exactly what they're about to taste—brightness layered with smoke and garlic depth.