Omi's Wurstsalat (German Bologna Salad)

Bahan-bahan (4 porsi)

• Ring bologna, sliced and then cut into strips
• 1 red pepper, sliced and then cut into strips
• 1 sweet onion, diced
• 5 vine-ripened tomatoes, sliced and cut in half
• 4 oz sharp white cheddar, cut into small cubes
• 3 tablespoons olive oil
• 3 tablespoons red wine vinegar
• Salt and pepper, to taste