"I love this recipe because it is great to use up leftover mashed potatoes and vegetables, especially the day after a big meal. You can substitute sweet Italian sausage for the bacon if you want a heartier quiche. —Heather King, Frostburg, Maryland..."
INGREDIENTS
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1 package (24 ounces) refrigerated mashed potatoes
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2 tablespoons olive oil, divided
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8 ounces sliced fresh mushrooms
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2 garlic cloves, minced
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5 ounces frozen chopped spinach, thawed and squeezed dry (about 1/2 cup)
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6 bacon strips, cooked and crumbled or 1/3 cup bacon bits
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2 teaspoons minced fresh rosemary or 1/2 teaspoon dried rosemary, crushed
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4 large eggs
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1 cup 2% milk
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1/4 teaspoon pepper
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1 cup shredded cheddar cheese