Grilled Steak with Blue Cheese, Potatoes, and Broccolini
Ingredients:
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sea salt, or to taste, divided
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1 teaspoon ground cumin
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1 teaspoon ground coriander
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1 teaspoon garlic powder
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1 ¼ pounds flat iron steak
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¾ teaspoon freshly ground black pepper, or to taste, divided
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2 tablespoons extra-virgin olive oil, divided
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2 cloves garlic cloves
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2 russet potatoes, cut into 1/8-inch-thick slices
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1 bunch broccolini, or more to taste
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sea salt and ground black pepper to taste
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¾ cup sour cream
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3 ounces crumbled creamy blue cheese
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½ teaspoon Worcestershire sauce
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1 lemon, halved