Chickpea Shakshuka (baked eggs)

• 1 red capsicum/pepper, deseeded
• 1 brown onion
• 800 g tin diced tomato
• 400 g chickpeas, tinned, drained, rinsed
• 4 free-range eggs
• 1 tbsp balsamic vinegar
• 1 tbsp cumin
• 4 slices of wholegrain bread