Easy Baked Cheese Tart

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Ingredients :\r
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Tart Dough\r
170g All purpose Flour\r
35g Caster Sugar\r
85g Salted Butter (Cold)\r
2 Egg yolks (small)\r
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Cheese Custard\r
125g Cream Cheese\r
50g Mascarpone Cheese\r
60g Cheddar Cheese\r
30g Salted Butter\r
40g Icing Sugar\r
18g Corn Starch\r
100ml Fresh Milk\r
1tbs Lemon Juice\r
1 Egg\r
1/4tsp Salt\r
1/4tsp Vanilla Paste