I don't have a slow cooker so can't help on that one but regulars here are;
Various pasta dishes, arabiata, tomato sauce with bacon, linguine with cherry tomatoes, chilli, garlic and crab, Mediterranean vegetable pasta bake, tuna pasta bake.
Falafel in pita
Spicy bean/veggie burgers
Chicken or prawn skewers, various flavours, honey and mustard, lemon garlic and herb, Cajun, lime, chilli and coriander.
Veggie chilli and rice or with jackets
Salmon, new potato, lemon, broccoli, green bean and herb tray bake
Paprika chicken tray bake, roasted veg and gnocchi
Bacon and leak risotto
Sausage tray bake with apples, shallots, new potatoes and parsnips
Stir fries with chicken, prawns, or cashews with rice noodles
Harrissa chicken and giant cous cous salad.
Tuna steaks for a nicois
Field mushrooms stuffed with rice, herbs veg and Stilton.
Peppers stuffed with cous cous, chickpeas, red onion, courgette and mozzarella
Butternut squash, red pepper and chickpea curry.
Roast gammon with and pineapple and chilli topping
Traditional roast chicken with all the trimmings
Shakshuka
Spanish omelette