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1
To make Mostarda: Bring sugar and 1/2 cup water to a boil in medium saucepan.
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2
Add cranberries, reduce heat to medium, and cook 5 minutes, or until cranberry skins split.
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3
Transfer cranberries to plate with slotted spoon.
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4
Add onion, apricot preserves, and red pepper flakes to pan; reduce heat to medium-low, and simmer 10 minutes.
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5
Return cranberries to pan, cook 8 minutes more, or until mixture is thick, stirring often.
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Cool, then stir in mustard and vinegar.
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Cover, and chill.
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8
To make Polenta Squares: Line baking sheet with foil.
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9
Puree corn and 1/2 cup water in blender until smooth.
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Pour into large saucepan with 3 cups water and 1 tsp.
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salt, if desired.
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Bring to boil.
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Gradually add polenta; cook 2 minutes, stirring constantly.
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Reduce heat to low.
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Cook and stir 18 minutes, or until very thick.
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16
Scrape polenta onto foil in mound.
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Let rest 1 minute.
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18
Spread polenta to 7 1/2-inch square with metal spatula.
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(Use a ruler to make straight edges.)
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Cool, then cover with plastic wrap.
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Chill 2 hours (or up to 2 days), until firm.
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22
Cut polenta into 25 1 1/2-inch squares.
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23
Coat large nonstick skillet with cooking spray.
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Cook Polenta Squares in batches over medium-high heat 4 minutes per side, or until lightly browned.
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25
Spread prepared mustard on each square.
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Top each with 1 tsp.
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Mostarda, and sprinkle with green onions (if using).