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These BBQ chicken thighs get coated in molasses as a binder, seasoned with BBQ rub, then cooked indirect at 300°F for 60 to 75 minutes with regular flipping for even bark. A homemade molasses peach BBQ sauce, built from peach preserves, molasses, BBQ sauce, vinegar, and hot sauce, gets brushed on during the final 15 minutes. The chicken pulls at 185°F internal for fall-apart tender dark meat with a sticky, caramelized glaze. The recipe yields 12 bone-in skin-on thighs, enough to feed 6 to 8 people for a backyard cookout.

Why Peach and Molasses Make the Perfect BBQ Chicken Glaze

Peach Preserves Bring Bright Fruit Acidity

Peach preserves contain natural fruit acid plus chunks of soft peach pieces that break down into the sauce during the cook. The acidity cuts through the richness of the chicken skin and the heavy BBQ sauce base. Furthermore, the cooked peach chunks caramelize as the sauce sits on the grill, contributing both texture and depth that pre-made peach BBQ sauces cannot match. Generic store-bought versions use peach flavoring or syrup, which lack the fruit-pulp character that real preserves bring.

Molasses Adds Depth and Iron-Rich Sweetness

Pairing peach with molasses works because the two sweeteners hit completely different notes. Peach brings high, bright, slightly tangy sweetness. Molasses brings low, dark, slightly bitter sweetness with iron and mineral undertones. Together they cover the full range of a sauce’s sweet spectrum without overlapping. Consequently, the finished glaze tastes both fruity and deep rather than one-dimensional. Using molasses alone would feel heavy. Using peach alone would feel too bright. The combination balances itself.

Choosing Bone-In Skin-On Thighs for BBQ Chicken

Why 12 Thighs Is the Right Quantity for This Recipe

A pack of 12 bone-in skin-on chicken thighs lands at roughly 5 to 6 pounds total, which serves 6 to 8 people generously as a main course. The recipe scales to that quantity for two reasons. First, the molasses peach BBQ sauce yields the right volume to fully coat 12 thighs with a little extra for serving. Second, a standard 22-inch grill or kamado holds 12 thighs comfortably in a single indirect-cook layer without crowding. Therefore, halving or doubling the recipe works fine, but 12 is the sweet spot for one-and-done party portions.

Trimming and Patting Dry for Best Char

Trim any flaps of excess skin that hang past the edge of the meat. These flaps burn before the rest of the chicken finishes and leave you with bitter charred edges. Then pat each thigh completely dry with paper towels. Specifically, the molasses binder will not adhere properly to wet skin, and damp surfaces also steam instead of crisping under the indirect heat. As a result, the dry-patting step directly impacts how well the bark develops during the cook.

The 300°F Indirect Cooking Method

Why 300°F Beats Both Low-and-Slow and High-Direct

Smoking thighs at 225°F produces tender meat but pale, rubbery skin since the temperature is too low to render the fat properly. Grilling at 400°F over direct heat crisps the skin but burns the molasses binder and produces uneven cooking. 300°F indirect splits the difference. Specifically, the heat is high enough to render the fat under the skin and develop a golden bark, but low enough that the sugars in the molasses do not scorch over the 60 to 75 minute cook window. As a result, you get crispy skin and juicy meat without sacrificing either.

Flipping Every 10-15 Minutes for Even Bark

Most chicken recipes call for one flip during the cook or no flipping at all. This recipe calls for flipping every 10 to 15 minutes, which is intentional. Moreover, frequent flipping prevents the molasses binder from burning on whichever side is touching the grates, distributes the rendered fat evenly over both sides, and develops a more uniform bark all around each thigh. The flipping also prevents flare-ups since rendered fat doesn’t accumulate underneath each piece long enough to ignite.

Building the Molasses Peach BBQ Sauce

Apple Cider Vinegar Cuts the Sweetness

A tablespoon of apple cider vinegar in the sauce does more work than its small volume suggests. The vinegar brightens the heavy peach-and-molasses sweetness, balances the richness of the BBQ sauce base, and adds the tang that makes a BBQ sauce taste like an actual BBQ sauce rather than a dessert glaze. Therefore, skipping the vinegar leaves the sauce one-note sweet without the acid backbone that makes you want a second bite. Apple cider vinegar specifically pairs with peach better than white or red wine vinegar.

Hot Sauce Layer for the Sweet-Heat Balance

A tablespoon of hot sauce (Frank’s RedHot, Tabasco, or Crystal all work) adds a low-level heat that builds gradually as you eat instead of hitting you immediately. The heat does not register as “spicy” in the finished glaze. Instead, it sharpens your palate so each bite tastes more vivid and the peach sweetness lands harder. Additionally, the vinegar already in most hot sauces compounds with the apple cider vinegar for an even cleaner finish. Add more hot sauce if you want detectable heat, but a single tablespoon is the baseline for balance.

Glazing in the Final 15 Minutes

Why You Cannot Sauce Earlier Without Burning

The molasses peach BBQ sauce contains roughly 60% sugar by weight between the peach preserves, molasses, and BBQ sauce base. Those sugars caramelize fast under indirect heat and cross from glossy to burnt in just a few extra minutes if applied too early in the cook. Consequently, the final 15-minute window is calculated to give the sauce enough time to set and tack up without scorching. Applying the glaze at the 30-minute mark of a 60-minute cook leaves you with bitter blackened patches on every thigh.

Layered Glazing for Sticky Caramelization

Brush the sauce on, flip the chicken, brush again, flip again. Repeat for the full 15 minutes. Each thin layer caramelizes onto the previous one, building a lacquered finish that looks glossy and clings to the chicken instead of pooling on the grates. In contrast, one heavy coat at the end of the cook drips off, never tacks up properly, and leaves you with under-glazed chicken and a puddle of burned sauce under the grates. As a result, the layered method takes the same total amount of sauce but delivers a far better visual and flavor finish.

Step-by-Step: How to Make These BBQ Chicken Thighs

Step 1: Bind With Molasses

Pat each thigh completely dry with paper towels and trim any excess skin flaps. Place the chicken in a large bowl or sheet pan and drizzle with the 2 tablespoons of molasses. Toss thoroughly until every thigh is evenly coated on all sides. The molasses binder helps the seasoning stick and builds deep color during the cook.

Step 2: Season Generously

Sprinkle the 2 tablespoons of seasoned salt or BBQ seasoning evenly over all sides of the molasses-coated thighs. The molasses binder will hold the seasoning in place during the cook so no rub falls off into the grates.

Step 3: Preheat and Set Up Indirect Heat at 300°F

Preheat the smoker or grill to 300°F set up for indirect cooking. On a charcoal grill, push the coals to one side. On a gas grill, light only half the burners. On a kamado or pellet smoker, set the temperature dial to 300°F.

Step 4: Cook With Flipping (45 to 60 Minutes Initial)

Place the chicken thighs on the indirect side of the grill, skin-side up to start. Close the lid and cook for 10 to 15 minutes, then flip each thigh. Continue cooking and flipping every 10 to 15 minutes for the next 45 to 60 minutes. The frequent flipping develops even bark all around each thigh and prevents the molasses binder from burning on whichever side touches the grate.

Step 5: Make the Molasses Peach BBQ Sauce

While the chicken cooks, build the glaze. In a small saucepan over low heat, combine the peach preserves, molasses, BBQ sauce, apple cider vinegar, hot sauce, garlic powder, and onion powder. Stir until smooth, warmed through, and any chunks of peach preserves soften into the sauce. Keep warm near the grill.

Step 6: Glaze, Finish to 185°F, Rest and Serve

During the final 15 minutes of cooking, brush each thigh generously with the molasses peach BBQ sauce. Continue flipping and glazing every 3 to 4 minutes to build layers of sticky caramelized sauce. Cook until the chicken reaches an internal temperature of 185°F in the thickest part of the thigh. Pull from the grill and let rest for 5 to 10 minutes before serving so the juices redistribute and the glaze sets up on the surface.