Three-Pepper Relish

Ingredients

• 1 large sweet green pepper, cored, seeded and chopped
• 1 large sweet red pepper, cored, seeded and chopped
• 1 large sweet yellow pepper, cored, seeded and chopped
• 1 small yellow onion, chopped
• 1/4 c. white vinegar
• 2 Tbsp. sugar
• 1/2 tsp. celery seed
• 1/4 tsp. red pepper flakes