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1
Preheat the oven to 350 degrees F.
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2
Mix together the brown sugar, mustard, paprika, smoked paprika, black pepper and garlic salt together in a small bowl.
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3
Be sure to break up any lumps with your fingers.
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4
Reserve 1 tablespoon of rub in a small bowl for serving.
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5
Remove the silver skin from the underside of the ribs by sliding your fingers under the thin membrane and pulling it off.
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6
Repeat with the second rack.
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7
Rub the ribs with the seasoning on both sides.
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8
Place in a single layer in a large roasting pan and cover tightly with heavy-duty foil.
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9
Place the roasting pan into the oven and bake until the ribs are tender, about 1 hour 15 minutes.
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10
Preheat the grill to medium heat.
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11
Grill the ribs on each side for 15 minutes, watching and flipping when necessary, for 30 minutes total.
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12
Baste with Jamie's BBQ Sauce the last 10 minutes.
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13
(The sauce goes on at the end because it is sugar based and you don't want to burn your ribs.)
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14
Let the racks rest 5 minutes before slicing into individual ribs.
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15
Sprinkle the cut ribs with the reserved dry rub and serve along with extra sauce.
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16
Heat the oil in a medium saucepan over medium-high heat.
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17
Add the onions and stir until softened.
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18
Add the vinegar, ketchup, brown sugar, mustard, Worcestershire sauce, chili powder, cayenne pepper and some salt and black pepper to the saucepan and simmer on medium-low heat until thickened, about 35 minutes.
