Creamy chicken noodle soup with mini croutons

Bahan-bahan (5 porsi)

• 400 g /10oz chicken breast ((2 small), cut in half horizontally to form 2 thin steaks (sub boneless thighs))
• 1/4 tsp cooking salt / kosher salt
• 1/4 tbsp black pepper
• 4 strips streaky bacon ((enough to cover base of pot))
• 30 g / 2 tbsp unsalted butter
• 1/2 onion (, finely diced)
• 2 g arlic cloves (, finely minced)
• 2 sprigs thyme or 1/2 tsp dried thyme ((optional))
• 2 celery stalks (, chopped (~0.5 x 1.2 cm / 1/5 x 1/2" pieces))
• 1 carrot (, chopped (0.5 x 1 cm / 1/5 x 1/2" pieces))
• 3/4 cup corn kernels ((frozen thawed or canned drained))
• 4 tbsp flour
• 3 cups milk (, full fat best but low fat ok (non-dairy ok too))
• 2 cups low sodium chicken stock/broth
• 2 cups water
• 1 tsp cooking salt
• 1 1/3 cups (100g) broken angel hair pasta ( OR angel hair pasta / spaghetti broken into 6 pieces, or other small, spoon-able pasta)
• 3/4 cup frozen peas
• 1/2 tsp finely chopped parsley (, optional)
• 1 cup bread ((crustless) cut into 7mm / 1/4" cubes - sourdough type is crunchier, regular sandwich bread is fine too)
• 2 tsp olive oil
• Pinch cooking salt / kosher salt