Did I eat too much to loose weight today?

Breakfast: 2 medium bananas, chopped with one tbsp unsweetened peanut butter and one small yoghurt (67 cals) Lunch: peas, broccoli, half of one medium potato and 4 medium white mushrooms with a quarter can of spicy mixed beans (this all goes on one plate sorry for not giving measures, I think it was around 4/500...