Black bean 'n' pepper salsa

Ingredients

• 2 cups cooked black beans , or 540-mL can black beans, drained
• 2 stalks celery , coarsely chopped
• 1 red bell pepper , coarsely chopped
• 1/2 unpeeled English cucumber , diced
• 4 green onions , sliced
• 1 to 2 hot banana peppers or jalapenos , seeded and finely chopped
• 2 tbsp olive oil
• 1/3 cup fresh lime juice
• 1/2 tsp salt
• 1/4 tsp freshly ground black pepper
• pinch of cayenne pepper