Mary Berry's Yummy Lentil and Vegetable Cottage Pie

Name: Mary Berry's Yummy Lentil and Vegetable Cottage Pie
Cook time: 1 h 20 min
Total time: 1 h 20 min
Cuisine: European, British
Ingredients: Large Onions Chopped Very Fine 2; Garlic Cloves. Crushed 2; Tablespoons Of Olive Oil 2; Celery Sticks Sliced 3; Large Carrots Sliced 2; Dried Red Lentils. Rinsed 100g (4oz); Can Of Chopped Tomatoes 1 x 400g; Vegetable Stock 300ml (10fl oz); Sundried Tomato Paste 2 teaspoons; Sundried Tomatoes. Drained If In Oil And Chopped 50g (2 oz); Salt And Freshly Ground Black Pepper; Old Potatoes. Peeled 1kg (2 ¼ lb); Milk 150ml (5fl oz) approx; Spring Onions. Finely Chopped 1 bunch; Butter 25g (1oz); Mature Cheddar Cheese. Grated 175g (6oz)