Ratatouille Tatin Tartlets

Name: Ratatouille Tatin Tartlets
Ingredients: 200 g all purpose flour; 90 g butter, soft; Dash of salt; Water; 3 x garlic cloves; 1 large yellow onion; 3 medium zucchinis; 3 medium Italian eggplants; Half red pepper; Half orange pepper; 2 cup cherry tomatoes; Dash of white balsamic vinegar; Olive oil; Dash of coriander powder; Fresh basil (about 1 tbsp); Fresh parsley and coriander (about 1 tbsp each); Sprig of thyme; 75 g old-aged gruyère, finely grated (or Beaufort or Comté), in any case, a very fruity cheese