Gluten-free mini meat pies

Name: Gluten-free mini meat pies
Cook time: 1 h 15 min
Total time: 1 h 15 min
Cuisine: European
Ingredients: 2 teaspoon vegetable oil; 1 medium_piece (150g) brown onion, chopped finely; 2 (130g) rindless bacon slices, chopped finely; 350 gram minced (ground) beef; 2 tablespoon tomato paste; 1/4 cup (35g) arrowroot; 2 cup (500ml) gluten-free beef stock; 1 egg, beaten lightly; pastry; Gluten-free pastry; 1 3/4 cup (315g) rice flour; 1/3 cup (50g) (corn) cornflour (cornstarch); 1/3 cup (40g) soya flour; 200 gram cold butter, chopped; 1/4 cup (60ml) cold water, approximately