¼ teaspoon crushed red pepper flakes, or more to taste
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6 pickling cucumbers
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¼ small white onion, sliced
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8 sprigs fresh dill
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1 clove garlic, slightly crushed
Instructions
Combine water, vinegar, salt, peppercorns, yellow and brown mustard seeds, sugar, and crushed red pepper flakes in a saucepan over medium heat. Cook until sugar and salt have dissolved, 5 to 7 minutes. Allow mixture to cool, about 30 minutes.
Cut cucumbers into even spears and pack into a 1-liter, large-mouthed glass jar. Add onion slices, dill sprigs, and garlic. Pour cooled vinegar mixture over cucumbers in the jar to cover completely. Seal with a lid and refrigerate for 24 hours before serving.