I make my own spag bol but use soya bean spaghetti instead. Sold in Asda & Holland & Barrett. Aldi did have it for a while but it was a one off special. As for bread, you might want to try Burgen Soya & Linseed. Lower carb than regular wholemeal, which may still spike you. Or try wholemeal thins. I'll give you an example of what I eat for different meals.
Breakfasts: mackerel in tomato sauce on a low carb muffin. The recipe for the muffin is in the recipe section on here. Very easy to make. Cream cheese pancakes with berries & cream. Also very easy to make with 2oz cream cheese, 2 eggs, 1tsp sweetener (Stevia or Xylotol) & few drops vanilla essence, whip together & fry like normal pancakes. Nice as a dessert too. Natural Greek yoghurt with a few berries & mixed (unsalted) nuts & seeds is a nice simple brekky. On a Sunday I have a fry up consisting of high meat sausages, bacon, mushrooms, eggs & tomatoes. Lunches: Fritattas (basically crustless quiches) made in a bun tin. You can add ham or tuna. Wraps made with very thin omelettes. I sometimes make scotch eggs but used ground linseed as a coating instead of breadcrumbs. And of course, salad. Dinners: This time of year I make a lot of stews in the slow cooker. Just use lower carb veg such as turnips or swede instead of potatoes & plenty of green veg. Cottage pie with cauli mash. Curry with cauli rice (home made sauce).